/*!!
 * flipnote.js v6.3.0
 * https://flipnote.js.org
 * A JavaScript library for Flipnote Studio animation files
 * 2018 - 2025 James Daniel
 * Flipnote Studio is (c) Nintendo Co., Ltd. This project isn't affiliated with or endorsed by them in any way.
*/
!function(t){var e,i,s,r,a,n;function o(t,e,i,s){if("a"===i&&!s)throw new TypeError("Private accessor was defined without a getter");if("function"==typeof e?t!==e||!s:!e.has(t))throw new TypeError("Cannot read private member from an object whose class did not declare it");return"m"===i?s:"a"===i?s.call(t):s?s.value:e.get(t)}function h(t,e,i,s,r){if("m"===s)throw new TypeError("Private method is not writable");if("a"===s&&!r)throw new TypeError("Private accessor was defined without a setter");if("function"==typeof e?t!==e||!r:!e.has(t))throw new TypeError("Cannot write private member to an object whose class did not declare it");return"a"===s?r.call(t,i):r?r.value=i:e.set(t,i),i}t.FlipnoteRegion=void 0,(e=t.FlipnoteRegion||(t.FlipnoteRegion={})).EUR="EUR",e.USA="USA",e.JPN="JPN",e.UNKNOWN="UNKNOWN",t.FlipnoteFormat=void 0,(i=t.FlipnoteFormat||(t.FlipnoteFormat={})).PPM="PPM",i.KWZ="KWZ",t.FlipnoteThumbImageFormat=void 0,(s=t.FlipnoteThumbImageFormat||(t.FlipnoteThumbImageFormat={}))[s.Jpeg=0]="Jpeg",s[s.Rgba=1]="Rgba",t.FlipnoteStereoscopicEye=void 0,(r=t.FlipnoteStereoscopicEye||(t.FlipnoteStereoscopicEye={}))[r.Left=0]="Left",r[r.Right=1]="Right",t.FlipnoteAudioTrack=void 0,(a=t.FlipnoteAudioTrack||(t.FlipnoteAudioTrack={}))[a.BGM=0]="BGM",a[a.SE1=1]="SE1",a[a.SE2=2]="SE2",a[a.SE3=3]="SE3",a[a.SE4=4]="SE4",t.FlipnoteSoundEffectTrack=void 0,(n=t.FlipnoteSoundEffectTrack||(t.FlipnoteSoundEffectTrack={}))[n.SE1=1]="SE1",n[n.SE2=2]="SE2",n[n.SE3=3]="SE3",n[n.SE4=4]="SE4","function"==typeof SuppressedError&&SuppressedError;class ByteArray{constructor(){this.pageSize=4096,this.allocSize=0,this.realSize=0,this.pages=[],this.numPages=0,this.pageIdx=0,this.pagePtr=0,this.realPtr=0,this.newPage()}set pointer(t){this.setPointer(t)}get pointer(){return this.realPtr}newPage(){this.pages[this.numPages]=new Uint8Array(this.pageSize),this.numPages=this.pages.length,this.allocSize=this.numPages*this.pageSize}setPointer(t){for(;t>=this.allocSize;)this.newPage();t>this.realSize&&(this.realSize=t),this.pageIdx=Math.floor(t/this.pageSize),this.pagePtr=t%this.pageSize,this.realPtr=t}writeByte(t){this.pages[this.pageIdx][this.pagePtr]=t,this.setPointer(this.realPtr+1)}writeBytes(t,e,i){for(let s=i||t.length,r=e||0;r<s;r++)this.writeByte(t[r])}writeChars(t){for(let e=0;e<t.length;e++)this.writeByte(t.charCodeAt(e))}writeU8(t){this.writeByte(255&t)}writeU16(t){this.writeByte(t>>>0&255),this.writeByte(t>>>8&255)}writeU32(t){this.writeByte(t>>>0&255),this.writeByte(t>>>8&255),this.writeByte(t>>>16&255),this.writeByte(t>>>24&255)}getBytes(){const t=new Uint8Array(this.realSize),e=this.numPages;for(let i=0;i<e;i++){const s=this.pages[i];i===e-1?t.set(s.slice(0,this.realSize%this.pageSize),i*this.pageSize):t.set(s,i*this.pageSize)}return t}getBuffer(){return this.getBytes().buffer}}const l=(t,e=!1)=>{let i=[];for(let e=0;e<t.length;e++)i.push(t[e].toString(16).padStart(2,"0"));return e&&i.reverse(),i.join("").toUpperCase()};class DataStream{constructor(t){this.buffer=t,this.data=new DataView(t),this.pointer=0}get bytes(){return new Uint8Array(this.buffer)}get numBytes(){return this.data.byteLength}seek(t,e){switch(e){case 2:this.pointer=this.data.byteLength+t;break;case 1:this.pointer+=t;break;default:this.pointer=t}}readUint8(){const t=this.data.getUint8(this.pointer);return this.pointer+=1,t}writeUint8(t){this.data.setUint8(this.pointer,t),this.pointer+=1}readInt8(){const t=this.data.getInt8(this.pointer);return this.pointer+=1,t}writeInt8(t){this.data.setInt8(this.pointer,t),this.pointer+=1}readUint16(t=!0){const e=this.data.getUint16(this.pointer,t);return this.pointer+=2,e}writeUint16(t,e=!0){this.data.setUint16(this.pointer,t,e),this.pointer+=2}readInt16(t=!0){const e=this.data.getInt16(this.pointer,t);return this.pointer+=2,e}writeInt16(t,e=!0){this.data.setInt16(this.pointer,t,e),this.pointer+=2}readUint32(t=!0){const e=this.data.getUint32(this.pointer,t);return this.pointer+=4,e}writeUint32(t,e=!0){this.data.setUint32(this.pointer,t,e),this.pointer+=4}readInt32(t=!0){const e=this.data.getInt32(this.pointer,t);return this.pointer+=4,e}writeInt32(t,e=!0){this.data.setInt32(this.pointer,t,e),this.pointer+=4}readBytes(t){const e=new Uint8Array(this.data.buffer,this.pointer,t);return this.pointer+=e.byteLength,e}writeBytes(t){t.forEach((t=>this.writeUint8(t)))}readHex(t,e=!1){const i=this.readBytes(t);return l(i,e)}readChar(){const t=this.readUint8();return String.fromCharCode(t)}readWideChar(){const t=this.readUint16();return String.fromCharCode(t)}readChars(t){const e=this.readBytes(t);let i="";for(let t=0;t<e.length;t++){const s=e[t];if(0===s)break;i+=String.fromCharCode(s)}return i}writeChars(t){for(let e=0;e<t.length;e++){const i=t.charCodeAt(e);this.writeUint8(i)}}readWideChars(t){const e=new Uint16Array(this.data.buffer,this.pointer,t);let i="";for(let t=0;t<e.length;t++){const s=e[t];if(0==s)break;i+=String.fromCharCode(s)}return this.pointer+=e.byteLength,i}end(){return this.pointer>=this.data.byteLength}}const c=(t,e,i)=>t<e?e:t>i?i:t;function u(t,e="Assert failed"){t||d(e)}const f=(t,e,i,s="")=>u(t>=e&&t<=i,`flipnote.js error: ${s||"value"} ${t} should be between ${e} and ${i}`),d=(t="Assert failed")=>{throw new Error("flipnote.js error: "+t)},m=()=>y?global:"undefined"!=typeof window?window:"undefined"!=typeof self?self:{},p="undefined"!=typeof window&&void 0!==window.document,g=()=>u(p,"This feature is only available in browser environments"),y="undefined"!=typeof process&&null!=process.versions&&null!=process.versions.node,w="object"==typeof self&&self.constructor&&"DedicatedWorkerGlobalScope"===self.constructor.name;var v;!function(){if(!p)return function(){};document.createElement("a")}();class BaseParser extends DataStream{constructor(){super(...arguments),this[v]="Flipnote",this.titleFormats={COMMENT:"Comment by $USERNAME",FLIPNOTE:"Flipnote by $USERNAME",ICON:"Folder icon"},this.soundMeta=new Map,this.layerVisibility={1:!0,2:!0,3:!0},this.isFolderIcon=!1,this.isComment=!1,this.isDsiLibraryNote=!1}getTitle(t=this.titleFormats){return this.isFolderIcon?t.ICON:(this.isComment?t.COMMENT:t.FLIPNOTE).replace("$USERNAME",this.meta.current.username)}toString(){return this.getTitle()}*[(v=Symbol.toStringTag,Symbol.iterator)](){for(let t=0;t<this.frameCount;t++)yield t}getLayerPixels(e,i,s=new Uint8Array(this.imageWidth*this.imageHeight),r=0,a=t.FlipnoteStereoscopicEye.Left){f(e,0,this.frameCount-1,"Frame index"),f(i,0,this.numLayers-1,"Layer index");const n=this.getFramePaletteIndices(e),o=i*this.numLayerColors,h=this.decodeFrame(e)[i],l=Math.floor(this.getFrameLayerDepths(e)[i]*r),c=a==t.FlipnoteStereoscopicEye.Left?-l:l,u=this.srcWidth,d=this.imageWidth,m=this.imageWidth,p=this.imageHeight,g=this.imageOffsetX,y=this.imageOffsetY;if(s.fill(0),!this.layerVisibility[i+1])return s;for(let t=y,e=0;e<p;t++,e++)for(let i=g,r=0;r<m;i++,r++){const a=e*d+r+c;let l=h[t*u+i];0!==l&&(s[a]=n[o+l])}return s}getLayerPixelsRgba(e,i,s=new Uint32Array(this.imageWidth*this.imageHeight),r=new Uint32Array(16),a=0,n=t.FlipnoteStereoscopicEye.Left){f(e,0,this.frameCount-1,"Frame index"),f(i,0,this.numLayers-1,"Layer index"),this.getFramePaletteUint32(e,r);const o=i*this.numLayerColors,h=this.decodeFrame(e)[i],l=Math.floor(this.getFrameLayerDepths(e)[i]*a),c=n==t.FlipnoteStereoscopicEye.Left?-l:l,u=this.srcWidth,d=this.imageWidth,m=this.imageWidth-l,p=this.imageHeight,g=this.imageOffsetX,y=this.imageOffsetY;if(s.fill(0),!this.layerVisibility[i+1])return s;for(let t=y,e=0;e<p;t++,e++)for(let i=g,a=0;a<m;i++,a++){const n=e*d+a+c;let l=h[t*u+i];0!==l&&(s[n]=r[o+l])}return s}getFramePixels(e,i=new Uint8Array(this.imageWidth*this.imageHeight),s=0,r=t.FlipnoteStereoscopicEye.Left){const a=this.srcWidth;this.imageWidth;const n=this.imageWidth,o=this.imageHeight,h=this.imageOffsetX,l=this.imageOffsetY,c=this.getFramePaletteIndices(e);i.fill(c[0]);const u=this.getFrameLayerOrder(e),f=this.getFrameLayerDepths(e),d=this.decodeFrame(e);for(let e=0;e<this.numLayers;e++){const m=u[e],p=d[m],g=m*this.numLayerColors,y=Math.floor(f[m]*s),w=r==t.FlipnoteStereoscopicEye.Left?-y:y;if(this.layerVisibility[m+1])for(let t=l,e=0;e<o;t++,e++)for(let s=h,r=0;r<n;s++,r++){const o=e*n+r+w;let h=p[t*a+s];0!==h&&(i[o]=c[g+h])}}return i}getFramePixelsRgba(e,i=new Uint32Array(this.imageWidth*this.imageHeight),s=new Uint32Array(16),r=0,a=t.FlipnoteStereoscopicEye.Left){f(e,0,this.frameCount-1,"Frame index");const n=this.srcWidth,o=this.imageWidth,h=this.imageWidth,l=this.imageHeight,c=this.imageOffsetX,u=this.imageOffsetY;this.getFramePaletteUint32(e,s),i.fill(s[0]);const d=this.getFrameLayerOrder(e),m=this.getFrameLayerDepths(e),p=this.decodeFrame(e);for(let e=0;e<this.numLayers;e++){const f=d[e];if(!this.layerVisibility[f+1])continue;const g=p[f],y=f*this.numLayerColors,w=Math.floor(m[f]*r),v=a==t.FlipnoteStereoscopicEye.Left?-w:w;for(let t=u,e=0;t<l;t++,e++)for(let r=c,a=0;r<h;r++,a++){const h=e*o+a+v;let l=g[t*n+r];0!==l&&(i[h]=s[y+l])}}return i}getFramePaletteUint32(t,e=new Uint32Array(16)){f(t,0,this.frameCount-1,"Frame index");const i=this.getFramePalette(t);return e.fill(0),i.forEach((([t,i,s,r],a)=>e[a]=r<<24|s<<16|i<<8|t)),e}getSoundEffectFlagsForTrack(t){return this.getSoundEffectFlags().map((e=>e[t]))}isSoundEffectUsedOnFrame(t,e){return f(e,0,this.frameCount-1,"Frame index"),!!this.soundEffectTracks.includes(t)&&this.getFrameSoundEffectFlags(e)[t]}hasAudioTrack(t){return this.soundMeta.has(t)&&this.soundMeta.get(t).length>0}}const b=/^[0159]{1}[0-9A-F]{6}0[0-9A-F]{8}$/,P=["01FACA7A4367FC5F","03D6E959E2F9A42D","03F80445160587FA","04068426E1008915","092A3EC8199FD5D5","0B8D56BA1BD441B8","0E61C75C9B5AD90B","14E494E35A443235"],S=t=>b.test(t)||P.includes(t),F=e=>{switch(e.charAt(0)){case"0":case"1":return t.FlipnoteRegion.JPN;case"5":return t.FlipnoteRegion.USA;case"9":return t.FlipnoteRegion.EUR;default:return t.FlipnoteRegion.UNKNOWN}},E=new Int8Array([-1,2,-1,2]),A=new Int8Array([-1,-1,-1,-1,2,4,6,8,-1,-1,-1,-1,2,4,6,8]),T=new Int16Array([7,8,9,10,11,12,13,14,16,17,19,21,23,25,28,31,34,37,41,45,50,55,60,66,73,80,88,97,107,118,130,143,157,173,190,209,230,253,279,307,337,371,408,449,494,544,598,658,724,796,876,963,1060,1166,1282,1411,1552,1707,1878,2066,2272,2499,2749,3024,3327,3660,4026,4428,4871,5358,5894,6484,7132,7845,8630,9493,10442,11487,12635,13899,15289,16818,18500,20350,22385,24623,27086,29794,32767,0]),k=(t,e,i)=>i<0||i>=e?0:t[i],U=t=>{const e=t.length;let i=0;for(let s=0;s<e;s++){const e=t[s];(e<=-32768||e>=32767)&&(i+=1)}return i/e},C=t=>{const e=t.length;let i=0;for(let s=0;s<e;s++)i+=Math.pow(t[s],2);return Math.sqrt(i/e)},x=946684800,M=t=>new Date(1e3*(t+x)),_=t=>Math.floor(t.getTime()/1e3-x),B=(t,e)=>100*t*(1/e)/100,L=(()=>{if(p||w){const t=m();return(t.crypto||t.msCrypto).subtle}if(y)return((t,e)=>{try{return t.require(e)}catch{throw new Error(`Could not require(${e})`)}})(module,"crypto").webcrypto.subtle})(),z="RSASSA-PKCS1-v1_5",I=async(t,e)=>{const i=t.split("\n").filter((t=>!t.startsWith("-----")&&!t.endsWith("-----"))).join(""),s=atob(i),r=new Uint8Array(s.length).map(((t,e)=>s.charCodeAt(e)));return await L.importKey("spki",r.buffer,{name:z,hash:e},!1,["verify"])},W=async(t,e,i)=>await L.verify(z,t,e,i);var R,N,D,K,O,H,$,G,V,j,q,Y,X,Q,J,Z,tt,et;const it=[.5,.5,1,2,4,6,12,20,30],st={WHITE:[255,255,255,255],BLACK:[14,14,14,255],RED:[255,42,42,255],BLUE:[10,57,255,255]},rt=[4294967295,4283585106,4294967295,4288453788,4282665215,4283388360,4289506815,4278255360,4294918216,4290269009,4294945709,4278255360,4290205622,4278255360,4278255360,4278255360],at="-----BEGIN PUBLIC KEY-----\nMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCPLwTL6oSflv+gjywi/sM0TUB\n90xqOvuCpjduETjPoN2FwMebxNjdKIqHUyDu4AvrQ6BDJc6gKUbZ1E27BGZoCPH4\n9zQRb+zAM6M9EjHwQ6BABr0u2TcF7xGg2uQ9MBWz9AfbVQ91NjfrNWo0f7UPmffv\n1VvixmTk1BCtavZxBwIDAQAB\n-----END PUBLIC KEY-----";class PpmParser extends BaseParser{static matchBuffer(t){const e=new Uint8Array(t.slice(0,4));return 1346458177==(e[0]<<24|e[1]<<16|e[2]<<8|e[3])}constructor(e,i={}){super(e),R.add(this),this.format=t.FlipnoteFormat.PPM,this[et]="Flipnote Studio PPM animation file",this.imageWidth=PpmParser.width,this.imageHeight=PpmParser.height,this.aspect=PpmParser.aspect,this.imageOffsetX=0,this.imageOffsetY=0,this.numLayers=PpmParser.numLayers,this.numLayerColors=PpmParser.numLayerColors,this.publicKey=PpmParser.publicKey,this.srcWidth=PpmParser.width,this.audioTracks=PpmParser.audioTracks,this.soundEffectTracks=PpmParser.soundEffectTracks,this.rawSampleRate=PpmParser.rawSampleRate,this.sampleRate=PpmParser.sampleRate,this.globalPalette=PpmParser.globalPalette,N.set(this,void 0),D.set(this,void 0),K.set(this,void 0),O.set(this,void 0),H.set(this,null),$.set(this,void 0),G.set(this,void 0),V.set(this,void 0),j.set(this,void 0),o(this,R,"m",q).call(this),o(this,R,"m",Q).call(this),o(this,R,"m",J).call(this),this.version>>4&15&&o(this,R,"m",X).call(this),h(this,N,[new Uint8Array(PpmParser.width*PpmParser.height),new Uint8Array(PpmParser.width*PpmParser.height)],"f"),h(this,K,[new Uint8Array(PpmParser.width*PpmParser.height),new Uint8Array(PpmParser.width*PpmParser.height)],"f"),h(this,O,[new Uint8Array(PpmParser.height),new Uint8Array(PpmParser.height)],"f"),h(this,H,null,"f")}getThumbnailImage(){this.seek(160);const e=this.readBytes(1536),i=new Uint32Array(3072);for(let t=0;t<48;t+=8)for(let s=0;s<64;s+=8)for(let r=0;r<8;r+=1)for(let a=0;a<8;a+=2){const n=s+a,o=t+r;i[64*o+n]=rt[15&e[0]],i[64*o+n+1]=rt[e[0]<<4&15]}return{format:t.FlipnoteThumbImageFormat.Rgba,width:64,height:48,data:i.buffer}}getMemoryMeterLevel(){const t=o(this,$,"f")/736800;return t<0?0:t}decodeFrame(t){if(f(t,0,this.frameCount-1,"Frame index"),o(this,H,"f")===t)return o(this,N,"f");o(this,H,"f")===t-1||o(this,R,"m",Z).call(this,t)||0===t||this.decodeFrame(t-1),h(this,H,t,"f"),this.seek(o(this,j,"f")[t]);const e=this.readUint8(),i=e>>7&1,s=e>>5&3;o(this,N,"f")[0].fill(0),o(this,N,"f")[1].fill(0);let r=0,a=0;s&&(r=this.readInt8(),a=this.readInt8());for(let t=0;t<2;t++){const e=o(this,O,"f")[t];e.fill(0);for(let t=0;t<e.length;){let i=this.readUint8();0!==i?(e[t++]=3&i,e[t++]=i>>2&3,e[t++]=i>>4&3,e[t++]=i>>6&3):t+=4}}for(let t=0;t<2;t++){const e=o(this,N,"f")[t],i=o(this,O,"f")[t];for(let t=0;t<PpmParser.height;t++){let s=t*PpmParser.width;switch(i[t]){case 0:break;case 1:for(var n=this.readUint32(!1);0!==n;n<<=1,s+=8)if(2147483648&n){let t=this.readUint8();for(let i=0;0!==t;i++,t>>=1)e[s+i]=1&t}break;case 2:for(e.fill(1,s,s+PpmParser.width),n=this.readUint32(!1);0!==n;n<<=1,s+=8)if(2147483648&n){let t=this.readUint8();for(let i=0;i<8;i++,t>>=1)e[s+i]=1&t}break;case 3:for(let t=0,i=0;i<PpmParser.width;i++)i%8==0&&(t=this.readUint8()),e[s++]=1&t,t>>=1}}}const l=o(this,N,"f")[0],c=o(this,N,"f")[1],u=o(this,K,"f")[0],d=o(this,K,"f")[1];if(i||0!==r||0!==a){if(!i){const t=PpmParser.width,e=PpmParser.height,i=Math.max(r,0),s=Math.max(a,0),n=Math.min(t+r,t),o=Math.min(e+a,e),h=a*t+r;let f,m;for(let e=s;e<o;e++)for(let s=i;s<n;s++)f=e*t+s,m=f-h,l[f]^=u[m],c[f]^=d[m]}}else{const t=PpmParser.height*PpmParser.width;for(let e=0;e<t;e++)l[e]^=u[e],c[e]^=d[e]}return o(this,K,"f")[0].set(o(this,N,"f")[0]),o(this,K,"f")[1].set(o(this,N,"f")[1]),o(this,N,"f")}getFramePaletteIndices(t){f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,j,"f")[t]);const e=this.readUint8(),i=!!(1&~e),s=[i?0:1,i?0:1,2,3];return[i?1:0,s[e>>1&3],s[e>>3&3]]}getFramePalette(t){return f(t,0,this.frameCount-1,"Frame index"),this.getFramePaletteIndices(t).map((t=>this.globalPalette[t]))}getIsKeyFrame(t){const e=1===o(this,R,"m",Z).call(this,t);return[e,e]}getFrameLayerDepths(t){return[0,0]}getFrameAuthor(t){return this.meta.current.fsid}getFrameCameraFlags(t){return[!1,!1]}getFrameLayerOrder(t){return[1,0]}decodeSoundFlags(){if(void 0!==o(this,D,"f"))return o(this,D,"f");u(1696+o(this,$,"f")<this.numBytes),this.seek(1696+o(this,$,"f"));const t=this.frameCount,e=this.readBytes(t);h(this,D,new Array(t),"f");for(let i=0;i<t;i++){const t=e[i];o(this,D,"f")[i]=[!!(1&t),!!(2&t),!!(4&t)]}return o(this,D,"f")}getSoundEffectFlags(){return this.decodeSoundFlags().map((e=>({[t.FlipnoteSoundEffectTrack.SE1]:e[0],[t.FlipnoteSoundEffectTrack.SE2]:e[1],[t.FlipnoteSoundEffectTrack.SE3]:e[2],[t.FlipnoteSoundEffectTrack.SE4]:!1})))}getFrameSoundEffectFlags(e){f(e,0,this.frameCount-1,"Frame index"),this.seek(1696+o(this,$,"f")+e);const i=this.readUint8();return{[t.FlipnoteSoundEffectTrack.SE1]:!!(1&i),[t.FlipnoteSoundEffectTrack.SE2]:!!(2&i),[t.FlipnoteSoundEffectTrack.SE3]:!!(4&i),[t.FlipnoteSoundEffectTrack.SE4]:!1}}getAudioTrackDuration(e){const i=this.soundMeta.get(e);if(0===i.length)return 0;if(e===t.FlipnoteAudioTrack.BGM){const t=1/this.bgmrate/(1/this.framerate),e=this.rawSampleRate*t;return 2*(i.length-4)/e}return 2*(i.length-4)/this.sampleRate}getAudioTrackRaw(t){const e=this.soundMeta.get(t);return u(e.ptr+e.length<this.numBytes),this.seek(e.ptr),this.readBytes(e.length)}decodeAudioTrack(t){const e=this.soundMeta.get(t);u(e.ptr+e.length<this.numBytes),this.seek(e.ptr);let i=0,s=0,r=0,a=this.readInt16(),n=this.readUint8();this.readUint8();const o=e.length-4,h=this.readBytes(o),l=new Int16Array(2*o);let f=!0;for(;i<o;){r=f?15&h[i]:h[i++]>>4,f=!f;const t=T[n];let e=t>>3;1&r&&(e+=t>>2),2&r&&(e+=t>>1),4&r&&(e+=t),8&r&&(e=-e),a+=e,a=c(a,-32768,32767),n+=A[r],n=c(n,0,88),l[s++]=a}return l}getAudioTrackPcm(e,i=this.sampleRate){const s=this.decodeAudioTrack(e);let r=this.rawSampleRate;if(e===t.FlipnoteAudioTrack.BGM){const t=1/this.bgmrate/(1/this.framerate);r=this.rawSampleRate*t}return r!==i?((t,e,i)=>{const s=t.length,r=s/e*i,a=new Int16Array(r),n=e/i;for(let e=0;e<r;e++)a[e]=k(t,s,Math.floor(e*n));return a})(s,r,i):s}getAudioMasterPcm(e=this.sampleRate){const i=Math.ceil(this.duration*e),s=new Int16Array(i),r=this.hasAudioTrack(t.FlipnoteAudioTrack.BGM),a=this.hasAudioTrack(t.FlipnoteAudioTrack.SE1),n=this.hasAudioTrack(t.FlipnoteAudioTrack.SE2),h=this.hasAudioTrack(t.FlipnoteAudioTrack.SE3);if(r){const i=this.getAudioTrackPcm(t.FlipnoteAudioTrack.BGM,e);o(this,R,"m",tt).call(this,i,s,0)}if(a||n||h){const i=e/this.framerate,r=a?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE1,e):null,l=n?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE2,e):null,c=h?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE3,e):null,u=this.decodeSoundFlags();for(let t=0;t<this.frameCount;t++){const e=Math.ceil(t*i),f=u[t];a&&f[0]&&o(this,R,"m",tt).call(this,r,s,e),n&&f[1]&&o(this,R,"m",tt).call(this,l,s,e),h&&f[2]&&o(this,R,"m",tt).call(this,c,s,e)}}return this.audioClipRatio=U(s),s}getBody(){const t=o(this,V,"f")+o(this,G,"f")+32;return this.bytes.subarray(0,t)}getSignature(){const t=o(this,V,"f")+o(this,G,"f")+32;return this.bytes.subarray(t,t+128)}async verify(){const t=await I(at,"SHA-1");return await W(t,this.getSignature(),this.getBody())}}N=new WeakMap,D=new WeakMap,K=new WeakMap,O=new WeakMap,H=new WeakMap,$=new WeakMap,G=new WeakMap,V=new WeakMap,j=new WeakMap,R=new WeakSet,et=Symbol.toStringTag,q=function(){u(16<this.numBytes),this.seek(4),h(this,$,this.readUint32(),"f"),h(this,G,this.readUint32(),"f"),this.frameCount=this.readUint16()+1,this.version=this.readUint16();let t=1696+o(this,$,"f")+this.frameCount;t%4!=0&&(t+=4-t%4),u(t<this.numBytes),h(this,V,t,"f")},Y=function(){return`${this.readHex(3)}_${this.readChars(13)}_${this.readUint16().toString().padStart(3,"0")}`},X=function(){u(1704<this.numBytes),this.seek(16);const t=this.readUint16(),e=this.readInt16(),i=this.readWideChars(11),s=this.readWideChars(11),r=this.readWideChars(11),a=this.readHex(8,!0),n=this.readHex(8,!0),h=o(this,R,"m",Y).call(this),l=o(this,R,"m",Y).call(this),c=this.readHex(8,!0);this.seek(154);const f=M(this.readInt32());this.seek(1702);const d=this.readUint16();this.thumbFrameIndex=e,this.layerVisibility={1:!(16&d),2:!(32&d),3:!1},this.isSpinoff=n!==a||n!==c,this.meta={lock:1===t,loop:1==(d>>1&1),advancedTools:void 0,isSpinoff:this.isSpinoff,frameCount:this.frameCount,frameSpeed:this.frameSpeed,bgmSpeed:this.bgmSpeed,duration:this.duration,thumbIndex:e,timestamp:f,root:{username:i,fsid:c,region:F(c),filename:null},parent:{username:s,fsid:a,region:F(a),filename:h},current:{username:r,fsid:n,region:F(n),filename:l}}},Q=function(){this.seek(1696);const t=this.readUint16(),e=t/4;u(e<=this.frameCount),this.seek(1704);const i=new Uint32Array(e);for(let s=0;s<e;s++){const e=1704+t+this.readUint32();u(e<this.numBytes,`Frame ${s} pointer is out of bounds`),i[s]=e}h(this,j,i,"f")},J=function(){let e=o(this,V,"f");this.seek(e);const i=this.readUint32(),s=this.readUint32(),r=this.readUint32(),a=this.readUint32();this.frameSpeed=8-this.readUint8(),this.bgmSpeed=8-this.readUint8(),u(this.frameSpeed<=8&&this.bgmSpeed<=8),e+=32,this.framerate=it[this.frameSpeed],this.duration=B(this.frameCount,this.framerate),this.bgmrate=it[this.bgmSpeed];const n=new Map;n.set(t.FlipnoteAudioTrack.BGM,{ptr:e,length:i}),n.set(t.FlipnoteAudioTrack.SE1,{ptr:e+=i,length:s}),n.set(t.FlipnoteAudioTrack.SE2,{ptr:e+=s,length:r}),n.set(t.FlipnoteAudioTrack.SE3,{ptr:e+=r,length:a}),this.soundMeta=n},Z=function(t){return f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,j,"f")[t]),this.readUint8()>>7&1},tt=function(t,e,i=0){const s=t.length,r=e.length;for(let a=0;a<s&&!(i+a>r);a++){const s=e[i+a]+t[a]/2;e[i+a]=c(s,-32768,32767)}},PpmParser.defaultSettings={},PpmParser.format=t.FlipnoteFormat.PPM,PpmParser.width=256,PpmParser.height=192,PpmParser.aspect=3/4,PpmParser.numLayers=2,PpmParser.numLayerColors=1,PpmParser.rawSampleRate=8180,PpmParser.sampleRate=32768,PpmParser.audioTracks=[t.FlipnoteAudioTrack.BGM,t.FlipnoteAudioTrack.SE1,t.FlipnoteAudioTrack.SE2,t.FlipnoteAudioTrack.SE3],PpmParser.soundEffectTracks=[t.FlipnoteSoundEffectTrack.SE1,t.FlipnoteSoundEffectTrack.SE2,t.FlipnoteSoundEffectTrack.SE3],PpmParser.globalPalette=[st.WHITE,st.BLACK,st.RED,st.BLUE],PpmParser.publicKey=at;const nt=/^[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{6}$/,ot=/^(00|10|12|14)[0-9a-f]{2}-[0-9a-f]{4}-[0-9a-f]{3}0-[0-9a-f]{4}[0159]{1}[0-9a-f]{1}$/,ht=["5f-fc67-437a-cafa01","2d-a4f9-e259-e9d603","fa-8705-1645-04f803","15-8900-e126-840604","d5-d59f-19c8-3e2a09","b8-41d4-1bba-568d0b","0b-d95a-9b5c-c7610e","35-3244-5ae3-94e414"],lt=t=>nt.test(t),ct=t=>{if(ot.test(t))return!0;for(let e of ht)if(t.endsWith(e))return!0;return!1},ut=e=>{if(ct(e))switch(e.charAt(19)){case"0":case"1":return t.FlipnoteRegion.JPN;case"5":return t.FlipnoteRegion.USA;case"9":return t.FlipnoteRegion.EUR;default:return t.FlipnoteRegion.UNKNOWN}return t.FlipnoteRegion.UNKNOWN},ft=t=>`${t.slice(0,4)}-${t.slice(4,8)}-${t.slice(8,12)}-${t.slice(12,18)}`.toLowerCase(),dt=t=>t.replace(/-/g,"").toUpperCase();var mt,pt,gt,yt,wt,vt,bt,Pt,St,Ft,Et,At,Tt,kt,Ut,Ct,xt,Mt,_t,Bt,Lt,zt;const It=[.2,.5,1,2,4,6,8,12,20,24,30],Wt={WHITE:[255,255,255,255],BLACK:[16,16,16,255],RED:[255,16,16,255],YELLOW:[255,231,0,255],GREEN:[0,134,49,255],BLUE:[0,56,206,255],NONE:[255,255,255,0]},Rt="-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuv+zHAXXvbbtRqxADDeJ\nArX2b9RMxj3T+qpRg3FnIE/jeU3tj7eoDzsMduY+D/UT9CSnP+QHYY/vf0n5lqX9\ns6ljoZAmyUuruyj1e5Bg+fkDEu/yPEPQjqhbyywCyYL4TEAOJveopUBx9fdQxUJ6\nJ4J5oCE/Im1kFrlGW+puARiHmt3mmUyNzO8bI/Jx3cGSfoOHJG1foEaQsI5aaKqA\npBqxtzvwqMhudcZtAWSyRMBMlndvkRnVTDNTfTXLOYdHShCIgnKULCTH87uLBIP/\nnsmr4/bnQz8q2rp/HyVO+0yjR6mVr0NX5APJQ+6riJmGg3t3VOldhKP7aTHDUW+h\nkQIDAQAB\n-----END PUBLIC KEY-----",Nt=new Uint16Array(16);for(let t=0;t<16;t++)Nt[t]=(1<<t)-1;const Dt=new Uint8Array(52488),Kt=new Uint8Array(52488);var Ot=0;for(let t=0;t<3;t++)for(let e=0;e<3;e++)for(let i=0;i<3;i++)for(let s=0;s<3;s++)for(let r=0;r<3;r++)for(let a=0;a<3;a++)for(let n=0;n<3;n++)for(let o=0;o<3;o++)Dt.set([e,t,s,i,a,r,o,n],Ot),Kt.set([t,s,i,a,r,o,n,e],Ot),Ot+=8;const Ht=new Uint8Array(256),$t=new Uint8Array(256);[0,3280,6560,729,2187,81,243,9,27,1,3,1458,4374,162,486,18,54,2,6,2916,2268,324,252,36,28,4,820,2460,1640,4920,4100,5740].forEach(((t,e)=>{const i=8*t,s=Dt.subarray(i,i+8),r=Kt.subarray(i,i+8);Ht.set(s,8*e),$t.set(r,8*e)}));class KwzParser extends BaseParser{static matchBuffer(t){const e=new Uint8Array(t.slice(0,4)),i=e[0]<<24|e[1]<<16|e[2]<<8;return 1262897152===i||1263092480===i}constructor(e,i={}){super(e),mt.add(this),this.format=t.FlipnoteFormat.KWZ,this[zt]="Flipnote Studio 3D KWZ animation file",this.imageWidth=KwzParser.width,this.imageHeight=KwzParser.height,this.aspect=KwzParser.aspect,this.imageOffsetX=0,this.imageOffsetY=0,this.numLayers=KwzParser.numLayers,this.numLayerColors=KwzParser.numLayerColors,this.publicKey=KwzParser.publicKey,this.srcWidth=KwzParser.width,this.audioTracks=KwzParser.audioTracks,this.soundEffectTracks=KwzParser.soundEffectTracks,this.rawSampleRate=KwzParser.rawSampleRate,this.sampleRate=KwzParser.sampleRate,this.globalPalette=KwzParser.globalPalette,pt.set(this,void 0),gt.set(this,void 0),yt.set(this,void 0),wt.set(this,void 0),vt.set(this,void 0),bt.set(this,null),Pt.set(this,void 0),St.set(this,void 0),Ft.set(this,void 0),Et.set(this,void 0),At.set(this,0),Tt.set(this,0),h(this,pt,{...KwzParser.defaultSettings,...i},"f"),h(this,wt,[new Uint8Array(KwzParser.width*KwzParser.height),new Uint8Array(KwzParser.width*KwzParser.height),new Uint8Array(KwzParser.width*KwzParser.height)],"f"),o(this,mt,"m",kt).call(this),o(this,gt,"f").has("KIC")?(this.isFolderIcon=!0,this.imageWidth=24,this.imageHeight=24,this.frameCount=1,this.frameSpeed=0,this.framerate=It[0],this.thumbFrameIndex=0,o(this,mt,"m",Bt).call(this)):o(this,gt,"f").has("KSN")?(o(this,mt,"m",Mt).call(this),o(this,mt,"m",Bt).call(this),o(this,mt,"m",Lt).call(this)):(this.isComment=!0,o(this,mt,"m",Mt).call(this),o(this,mt,"m",Bt).call(this)),o(this,pt,"f").dsiLibraryNote&&(this.isDsiLibraryNote=!0),o(this,pt,"f").borderCrop&&(this.isDsiLibraryNote?(this.imageOffsetX=32,this.imageOffsetY=24,this.imageWidth=256,this.imageHeight=192):this.isFolderIcon||(this.imageOffsetX=5,this.imageOffsetY=5,this.imageWidth=310,this.imageHeight=230))}getThumbnailImage(){u(o(this,gt,"f").has("KTN"),"KTN section missing - Note that folder icons and comments do not contain thumbnail data");const e=o(this,gt,"f").get("KTN");this.seek(e.ptr+12);const i=this.readBytes(e.length-12);return{format:t.FlipnoteThumbImageFormat.Jpeg,width:80,height:64,data:i.buffer}}getMemoryMeterLevel(){u(o(this,gt,"f").has("KMI")&&o(this,gt,"f").has("KMC"));const t=this.rawSampleRate/2,e=60*t+2*t*4;return(o(this,Et,"f")+57600)/(4219447-(e+39&4294967292))}getFramePaletteIndices(t){f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,Pt,"f")[t]);const e=this.readUint32();return[15&e,e>>8&15,e>>12&15,e>>16&15,e>>20&15,e>>24&15,e>>28&15]}getFramePalette(t){return f(t,0,this.frameCount-1,"Frame index"),this.getFramePaletteIndices(t).map((t=>this.globalPalette[t]))}getFrameDiffingFlag(t){return f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,Pt,"f")[t]),this.readUint32()>>4&7}getIsKeyFrame(t){const e=this.getFrameDiffingFlag(t);return[!(1&e),!(2&e),!(4&e)]}getFrameLayerDepths(t){return f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,Pt,"f")[t]+20),[this.readUint8(),this.readUint8(),this.readUint8()]}getFrameAuthor(t){return f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,Pt,"f")[t]+10),o(this,mt,"m",Ct).call(this)}getFrameCameraFlags(t){this.seek(o(this,Pt,"f")[t]+26);const e=this.readUint8();return[!!(1&e),!!(2&e),!!(4&e)]}getFrameLayerOrder(t){f(t,0,this.frameCount-1,"Frame index");const e=this.getFrameLayerDepths(t);return[2,1,0].sort(((t,i)=>e[i]-e[t]))}decodeFrame(t,e=7,i=!1){if(f(t,0,this.frameCount-1,"Frame index"),o(this,bt,"f")===t)return o(this,wt,"f");o(this,bt,"f")!==t-1&&0!==t&&(i&&(e&=~this.getFrameDiffingFlag(t+1)),0!==e&&this.decodeFrame(t-1,e,!0));let s=o(this,St,"f")[t];const r=o(this,Ft,"f")[t];for(let t=0;t<3&&(!o(this,pt,"f").dsiLibraryNote||3!==t);t++){this.seek(s);let i=r[t];s+=i;const a=o(this,wt,"f")[t];if(38===i)continue;if(!(e>>t&1))continue;h(this,At,16,"f"),h(this,Tt,0,"f");let n=0;for(let t=0;t<240;t+=128)for(let e=0;e<320;e+=128)for(let i=0;i<128;i+=8){const s=t+i;if(s>=240)break;for(let t=0;t<128;t+=8){const i=e+t;if(i>=320)break;if(n>0){n-=1;continue}let r=s*KwzParser.width+i;const h=o(this,mt,"m",Ut).call(this,3);if(0===h){const t=8*o(this,mt,"m",Ut).call(this,5),e=Ht.subarray(t,t+8);a.set(e,r),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320)}else if(1===h){const t=8*o(this,mt,"m",Ut).call(this,13),e=Dt.subarray(t,t+8);a.set(e,r),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(e,r+=320)}else if(2===h){const t=8*o(this,mt,"m",Ut).call(this,5),e=Ht.subarray(t,t+8),i=$t.subarray(t,t+8);a.set(e,r),a.set(i,r+=320),a.set(e,r+=320),a.set(i,r+=320),a.set(e,r+=320),a.set(i,r+=320),a.set(e,r+=320),a.set(i,r+=320)}else if(3===h){const t=8*o(this,mt,"m",Ut).call(this,13),e=Dt.subarray(t,t+8),i=Kt.subarray(t,t+8);a.set(e,r),a.set(i,r+=320),a.set(e,r+=320),a.set(i,r+=320),a.set(e,r+=320),a.set(i,r+=320),a.set(e,r+=320),a.set(i,r+=320)}else if(4===h){const t=o(this,mt,"m",Ut).call(this,8);for(let e=1;e<255;e<<=1){if(t&e){const t=8*o(this,mt,"m",Ut).call(this,5),e=Ht.subarray(t,t+8);a.set(e,r)}else{const t=8*o(this,mt,"m",Ut).call(this,13),e=Dt.subarray(t,t+8);a.set(e,r)}r+=320}}else{if(5===h){n=o(this,mt,"m",Ut).call(this,5);continue}if(7===h){let t,e,i=o(this,mt,"m",Ut).call(this,2);if(0!==o(this,mt,"m",Ut).call(this,1)){const s=8*o(this,mt,"m",Ut).call(this,5),r=8*o(this,mt,"m",Ut).call(this,5);t=Ht.subarray(s,s+8),e=Ht.subarray(r,r+8),i+=1}else{const i=8*o(this,mt,"m",Ut).call(this,13),s=8*o(this,mt,"m",Ut).call(this,13);t=Dt.subarray(i,i+8),e=Dt.subarray(s,s+8)}switch(i%4){case 0:a.set(t,r),a.set(e,r+=320),a.set(t,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(e,r+=320);break;case 1:a.set(t,r),a.set(t,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(t,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(t,r+=320);break;case 2:a.set(t,r),a.set(e,r+=320),a.set(t,r+=320),a.set(t,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(t,r+=320),a.set(e,r+=320);break;case 3:a.set(t,r),a.set(e,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(e,r+=320),a.set(e,r+=320),a.set(t,r+=320),a.set(e,r+=320)}}}}}}return h(this,bt,t,"f"),o(this,wt,"f")}decodeFrameSoundFlags(t){f(t,0,this.frameCount-1,"Frame index"),this.seek(o(this,Pt,"f")[t]+23);const e=this.readUint8();return[!!(1&e),!!(2&e),!!(4&e),!!(8&e)]}decodeSoundFlags(){return void 0!==o(this,vt,"f")||h(this,vt,new Array(this.frameCount).fill(!1).map(((t,e)=>this.decodeFrameSoundFlags(e))),"f"),o(this,vt,"f")}getSoundEffectFlags(){return this.decodeSoundFlags().map((e=>({[t.FlipnoteSoundEffectTrack.SE1]:e[0],[t.FlipnoteSoundEffectTrack.SE2]:e[1],[t.FlipnoteSoundEffectTrack.SE3]:e[2],[t.FlipnoteSoundEffectTrack.SE4]:e[3]})))}getFrameSoundEffectFlags(e){const i=this.decodeFrameSoundFlags(e);return{[t.FlipnoteSoundEffectTrack.SE1]:i[0],[t.FlipnoteSoundEffectTrack.SE2]:i[1],[t.FlipnoteSoundEffectTrack.SE3]:i[2],[t.FlipnoteSoundEffectTrack.SE4]:i[3]}}getAudioTrackDuration(e){if(0===this.soundMeta.get(e).length)return 0;const i=this.decodeAudioTrack(e);if(e===t.FlipnoteAudioTrack.BGM){const t=1/this.bgmrate/(1/this.framerate),e=this.rawSampleRate*t;return i.length/e}return i.length/this.sampleRate}getAudioTrackRaw(t){const e=this.soundMeta.get(t);return u(e.ptr+e.length<this.numBytes),new Uint8Array(this.buffer,e.ptr,e.length)}decodeAdpcm(t,e,i=0,s=40){const r=t.length;let a=0,n=0,o=0,h=0;for(let l=0;l<r;l++){let r=t[l],u=0;for(;u<8;)s<18||u>4?(n=3&r,o=T[s],h=o>>3,1&n&&(h+=o),2&n&&(h=-h),i+=h,s+=E[n],r>>=2,u+=2):(n=15&r,o=T[s],h=o>>3,1&n&&(h+=o>>2),2&n&&(h+=o>>1),4&n&&(h+=o),8&n&&(h=-h),i+=h,s+=A[n],r>>=4,u+=4),s=c(s,0,79),i=c(i,-2048,2047),e[a]=16*i,a+=1}return a}decodeAudioTrack(e){const i=o(this,pt,"f"),s=this.getAudioTrackRaw(e),r=60*this.rawSampleRate,a=new Int16Array(r);let n=0,h=40;if(this.isDsiLibraryNote)if(e===t.FlipnoteAudioTrack.BGM){let t=!0;if(null!==i.initialBgmPredictor&&(n=i.initialBgmPredictor,t=!1),null!==i.initialBgmStepIndex&&(h=i.initialBgmStepIndex,t=!1),t&&i.guessInitialBgmState){let t=4294967295,e=0;for(h=0;h<=40;h++){const i=this.decodeAdpcm(s,a,n,h),r=C(a.subarray(0,i));r<t&&(t=r,e=h)}h=e}}else{const t=this.soundEffectTracks.indexOf(e);Array.isArray(i.initialSePredictors)&&void 0!==i.initialSePredictors[t]&&(n=i.initialSePredictors[t]),Array.isArray(i.initialSeStepIndices)&&void 0!==i.initialSeStepIndices[t]&&(h=i.initialSeStepIndices[t])}const l=this.decodeAdpcm(s,a,n,h);return a.slice(0,l)}getAudioTrackPcm(e,i=this.sampleRate){const s=this.decodeAudioTrack(e);let r=this.rawSampleRate;if(e===t.FlipnoteAudioTrack.BGM){const t=1/this.bgmrate/(1/this.framerate);r=this.rawSampleRate*t}return r!==i?((t,e,i)=>{const s=t.length,r=s/e*i,a=new Int16Array(r),n=e/i;for(let e=0,i=0,h=0,l=0;e<r;e++)i=e*n,h=Math.floor(i),l=i%1,a[e]=(o=k(t,s,h))+l*(k(t,s,h+1)-o);var o;return a})(s,r,i):s}pcmAudioMix(t,e,i=0){const s=t.length,r=e.length;for(let a=0;a<s&&!(i+a>r);a++){const s=e[i+a]+t[a];e[i+a]=c(s,-32768,32767)}}getAudioMasterPcm(e=this.sampleRate){const i=Math.ceil(this.duration*e),s=new Int16Array(i),r=this.hasAudioTrack(t.FlipnoteAudioTrack.BGM),a=this.hasAudioTrack(t.FlipnoteAudioTrack.SE1),n=this.hasAudioTrack(t.FlipnoteAudioTrack.SE2),o=this.hasAudioTrack(t.FlipnoteAudioTrack.SE3),h=this.hasAudioTrack(t.FlipnoteAudioTrack.SE4);if(r){const i=this.getAudioTrackPcm(t.FlipnoteAudioTrack.BGM,e);this.pcmAudioMix(i,s,0)}if(a||n||o||h){const i=e/this.framerate,r=a?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE1,e):null,l=n?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE2,e):null,c=o?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE3,e):null,u=h?this.getAudioTrackPcm(t.FlipnoteAudioTrack.SE4,e):null,f=this.decodeSoundFlags();for(let t=0;t<this.frameCount;t++){const e=f[t],d=Math.ceil(t*i);a&&e[0]&&this.pcmAudioMix(r,s,d),n&&e[1]&&this.pcmAudioMix(l,s,d),o&&e[2]&&this.pcmAudioMix(c,s,d),h&&e[3]&&this.pcmAudioMix(u,s,d)}}return this.audioClipRatio=U(s),s}getBody(){const t=o(this,yt,"f");return this.bytes.subarray(0,t)}getSignature(){const t=o(this,yt,"f");return this.bytes.subarray(t,t+256)}async verify(){const t=await I(Rt,"SHA-256");return await W(t,this.getSignature(),this.getBody())}}pt=new WeakMap,gt=new WeakMap,yt=new WeakMap,wt=new WeakMap,vt=new WeakMap,bt=new WeakMap,Pt=new WeakMap,St=new WeakMap,Ft=new WeakMap,Et=new WeakMap,At=new WeakMap,Tt=new WeakMap,mt=new WeakSet,zt=Symbol.toStringTag,kt=function(){const t=this.numBytes-256,e=new Map;let i=0,s=0;for(;s<t&&i<6;){this.seek(s);const t=this.readChars(4).substring(0,3),r=this.readUint32();e.set(t,{ptr:s,length:r}),s+=r+8,i+=1}h(this,yt,s,"f"),h(this,gt,e,"f"),u(e.has("KMC")&&e.has("KMI"))},Ut=function(t){if(o(this,At,"f")+t>16){const t=this.readUint16();h(this,Tt,o(this,Tt,"f")|t<<16-o(this,At,"f"),"f"),h(this,At,o(this,At,"f")-16,"f")}const e=o(this,Tt,"f")&Nt[t];return h(this,Tt,o(this,Tt,"f")>>t,"f"),h(this,At,o(this,At,"f")+t,"f"),e},Ct=function(){return o(this,pt,"f").dsiLibraryNote?this.readHex(10,!0).slice(2,18):ft(this.readHex(10))},xt=function(){const t=this.pointer,e=this.readChars(28);if(28===e.length)return e;this.seek(t);const i=this.readHex(3),s=this.readChars(13),r=this.readUint16().toString().padStart(3,"0");return this.seek(t+28),`${i}_${s}_${r}`},Mt=function(){if(o(this,pt,"f").quickMeta)return o(this,mt,"m",_t).call(this);u(o(this,gt,"f").has("KFH")),this.seek(o(this,gt,"f").get("KFH").ptr+12);const t=M(this.readUint32()),e=M(this.readUint32());this.readUint32();const i=o(this,mt,"m",Ct).call(this),s=o(this,mt,"m",Ct).call(this),r=o(this,mt,"m",Ct).call(this),a=this.readWideChars(11),n=this.readWideChars(11),h=this.readWideChars(11),l=o(this,mt,"m",xt).call(this),c=o(this,mt,"m",xt).call(this),f=o(this,mt,"m",xt).call(this),d=this.readUint16(),m=this.readUint16(),p=this.readUint16(),g=this.readUint8(),y=this.readUint8();this.isSpinoff=r!==s||r!==i,this.frameCount=d,this.frameSpeed=g,this.framerate=It[g],this.duration=B(this.frameCount,this.framerate),this.thumbFrameIndex=m,this.layerVisibility={1:!(1&y),2:!(2&y),3:!(3&y)},this.meta={lock:!!(1&p),loop:!!(2&p),advancedTools:!!(4&p),isSpinoff:this.isSpinoff,frameCount:d,frameSpeed:g,duration:this.duration,thumbIndex:m,timestamp:e,creationTimestamp:t,root:{username:a,fsid:i,region:ut(i),filename:l,isDsiFilename:28!==l.length},parent:{username:n,fsid:s,region:ut(s),filename:c,isDsiFilename:28!==c.length},current:{username:h,fsid:r,region:ut(r),filename:f,isDsiFilename:28!==f.length}}},_t=function(){u(o(this,gt,"f").has("KFH")),this.seek(o(this,gt,"f").get("KFH").ptr+8+196);const t=this.readUint16(),e=this.readUint16();this.readUint16();const i=this.readUint8(),s=this.readUint8();this.frameCount=t,this.thumbFrameIndex=e,this.frameSpeed=i,this.framerate=It[i],this.duration=B(this.frameCount,this.framerate),this.layerVisibility={1:!(1&s),2:!(2&s),3:!(3&s)}},Bt=function(){u(o(this,gt,"f").has("KMI")&&o(this,gt,"f").has("KMC"));const t=this.frameCount,e=o(this,gt,"f").get("KMI"),i=o(this,gt,"f").get("KMC");u(e.length/28>=t);const s=new Uint32Array(t),r=new Uint32Array(t),a=[];let n=e.ptr+8,l=i.ptr+12,c=0;for(let e=0;e<t;e++){this.seek(n+4);const t=this.readUint16(),i=this.readUint16(),o=this.readUint16();s[e]=n,r[e]=l,n+=28,l+=t+i+o,u(n<this.numBytes,`frame${e} meta pointer out of bounds`),u(l<this.numBytes,`frame${e} data pointer out of bounds`),a.push([t,i,o]),c+=t+i+o}h(this,Pt,s,"f"),h(this,St,r,"f"),h(this,Ft,a,"f"),h(this,Et,c,"f")},Lt=function(){u(o(this,gt,"f").has("KSN"));let e=o(this,gt,"f").get("KSN").ptr+8;this.seek(e),this.bgmSpeed=this.readUint32(),u(this.bgmSpeed<=10),this.bgmrate=It[this.bgmSpeed];const i=new Uint32Array(this.buffer,e+4,20),s=new Map;s.set(t.FlipnoteAudioTrack.BGM,{ptr:e+=28,length:i[0]}),s.set(t.FlipnoteAudioTrack.SE1,{ptr:e+=i[0],length:i[1]}),s.set(t.FlipnoteAudioTrack.SE2,{ptr:e+=i[1],length:i[2]}),s.set(t.FlipnoteAudioTrack.SE3,{ptr:e+=i[2],length:i[3]}),s.set(t.FlipnoteAudioTrack.SE4,{ptr:e+=i[3],length:i[4]}),this.soundMeta=s},KwzParser.defaultSettings={quickMeta:!1,dsiLibraryNote:!1,borderCrop:!1,guessInitialBgmState:!0,initialBgmPredictor:null,initialBgmStepIndex:null,initialSePredictors:null,initialSeStepIndices:null},KwzParser.format=t.FlipnoteFormat.KWZ,KwzParser.width=320,KwzParser.height=240,KwzParser.aspect=3/4,KwzParser.numLayers=3,KwzParser.numLayerColors=2,KwzParser.rawSampleRate=16364,KwzParser.sampleRate=32768,KwzParser.audioTracks=[t.FlipnoteAudioTrack.BGM,t.FlipnoteAudioTrack.SE1,t.FlipnoteAudioTrack.SE2,t.FlipnoteAudioTrack.SE3,t.FlipnoteAudioTrack.SE4],KwzParser.soundEffectTracks=[t.FlipnoteSoundEffectTrack.SE1,t.FlipnoteSoundEffectTrack.SE2,t.FlipnoteSoundEffectTrack.SE3,t.FlipnoteSoundEffectTrack.SE4],KwzParser.globalPalette=[Wt.WHITE,Wt.BLACK,Wt.RED,Wt.YELLOW,Wt.GREEN,Wt.BLUE,Wt.NONE],KwzParser.publicKey=Rt;const Gt=t=>S(t)?`${t.slice(14,16)}-${t.slice(12,14)}${t.slice(10,12)}-${t.slice(8,10)}${t.slice(6,8)}-${t.slice(4,6)}${t.slice(2,4)}${t.slice(0,2)}`.toLocaleLowerCase():null;var Vt=Object.freeze({__proto__:null,getFsidRegion:e=>S(e)?F(e):lt(e)?ut(e):t.FlipnoteRegion.UNKNOWN,getKwzFsidRegion:ut,getPpmFsidRegion:F,isFsid:t=>S(t)||lt(t),isKwzDsiLibraryFsid:ct,isKwzFsid:lt,isPpmFsid:S,kwzFsidFormat:ft,kwzFsidToPpmFsid:t=>ct(t)?`${t.slice(19,21)}${t.slice(17,19)}${t.slice(15,17)}${t.slice(12,14)}${t.slice(10,12)}${t.slice(7,9)}${t.slice(5,7)}${t.slice(2,4)}`.toUpperCase():null,kwzFsidUnformat:dt,ppmFsidToKwzFsidSuffix:Gt,ppmFsidToPossibleKwzFsids(t){const e=Gt(t);return e?["00"+e,"10"+e,"12"+e,"14"+e]:null}});const jt=/^[0-9A-Z]{1}[0-9A-F]{5}_[0-9A-F]{13}_[0-9]{3}$/,qt=/^[0-9A-F]{6}_[0-9A-F]{13}_[0-9]{3}$/,Yt=/^[0-5a-z]{28}$/,Xt="cwmfjordvegbalksnthpyxquiz012345";var Qt=Object.freeze({__proto__:null,isKwzFilename:t=>Yt.test(t),isPpmBasicFilename:t=>qt.test(t),isPpmFilename:t=>jt.test(t),kwzFilenameDecode(t){const e=(t=>{const e=t.length;let i=0;const s=new Uint8Array(5*e/8);let r=0,a=0;for(let n=0;n<e;n++)a=a<<5|Xt.indexOf(t[n]),i+=5,i>=8&&(s[r++]=a>>>i-8&255,i-=8);return s})(t),i=new DataView(e.buffer);return{fsid:ft(l(e.slice(0,9))),created:M(i.getUint32(9,!0)),edited:M(i.getUint32(13,!0))}},kwzFilenameEncode(t){const e=new Uint8Array(17),i=new DataView(e.buffer),s=dt(t.fsid);return e.set(((t,e=!1)=>{const i=t.length,s=new Uint8Array(i/2);for(let e=0,r=0;e<i;e+=2)s[r++]=parseInt(t.slice(e,e+2),16);return e&&s.reverse(),s})(s)),i.setUint32(9,_(t.created),!0),i.setUint32(13,_(t.edited),!0),(t=>{const e=t.byteLength;let i=0,s="",r=0;for(let a=0;a<e;a++)for(r=r<<8|t[a],i+=8;i>=5;)s+=Xt[r>>>i-5&31],i-=5;return i>0&&(s+=Xt[r<<5-i&31]),s})(e)},ppmFilenameCalculateCheckDigit(t){let e=parseInt(t.slice(0,2),16);for(let i=1;i<16;i++)e=e+t.charCodeAt(i)&255;return"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[e%36]},ppmFilenameDecode:t=>({macSuffix:t.slice(0,6),random1:t.slice(7,12),random2:t.slice(12,19),edits:parseInt(t.slice(-3))}),ppmFilenameEncode(t){const e=t.edits.toString().padEnd(3,"0");return`${t.macSuffix}_${t.random1}_${t.random2}_${e}`}});const Jt=[247,76,106,58,251,130,166,55,110,17,56,207,160,221,133,192,199,155,196,216,221,40,138,135,83,32,238,224,11,235,67,160,219,85,15,117,54,55,235,53,106,52,127,181,15,153,247,239,67,37,206,160,41,70,217,212,77,187,4,102,104,8,241,248];class BasePlaylistParser extends DataStream{constructor(t){super(t),this.entries=[]}addEntry(t){const e=t.split("/"),i=e.at(-1),s=t.lastIndexOf(".");this.entries.push({full:t,name:i,base:t.slice(0,s),ext:t.slice(s+1),folder:e.at(-2),parentFolder:e.at(-3)})}}class PpmPlaylist extends BasePlaylistParser{constructor(e){super(e),this.format=t.FlipnoteFormat.PPM;const i=this.bytes,s=this.numBytes;for(let t=0;t<s;t++)i[t]=i[t]^Jt[t%64];let r="";for(;!this.end();){const t=this.readChar();"\n"!==t?r+=t:(this.addEntry(r),r="")}}}class KwzPlaylist extends BasePlaylistParser{constructor(e){super(e),this.format=t.FlipnoteFormat.KWZ;const i=this.bytes,s=this.numBytes;for(let t=0;t<s;t++)i[t]=i[t]^Jt[t%61];let r="";this.seek(4);const a=this.readWideChar();for(;!this.end();){const t=this.readWideChar();t!==a?r+=t:(this.addEntry(r),r="")}}}const Zt={name:"url",matches(t){return"string"==typeof t},async load(t){const e=await fetch(t);return u(e.status>=200&&e.status<300,`Failed to load Flipnote from URL, response failed with status ${e.status}`),await e.arrayBuffer()}},te={name:"file",matches(t){return p&&"undefined"!=typeof File&&"undefined"!=typeof FileReader&&t instanceof File},async load(t){return t.arrayBuffer()}},ee={name:"blob",matches(t){return p&&"undefined"!=typeof Blob&&"undefined"!=typeof Response&&t instanceof Blob},async load(t){return t.arrayBuffer()}},ie={name:"node-buffer",matches(t){return y&&t instanceof Buffer},async load(t){return t.buffer}},se={name:"array-buffer",matches(t){return t instanceof ArrayBuffer},async load(t){return t}},re=new Map,ae=t=>{for(let[e,i]of re)if(i.matches(t))try{return i.load(t)}catch(t){d(`Failed to load Flipnote from source, loader "${e}" failed with error ${d}`)}d("No loader available for source type")},ne=t=>{re.set(t.name,t)};ne(se),ne(ie),ne(ee),ne(te),ne(Zt);var oe=Object.freeze({__proto__:null,clear:()=>re.clear(),list:()=>Object.fromEntries(re.entries()),load:ae,register:ne}),he=Object.freeze({__proto__:null,KwzPlaylist,PpmPlaylist,async parse(e,i){const s=await ae(i);return e===t.FlipnoteFormat.PPM||"ppm"===e?new PpmPlaylist(s):e===t.FlipnoteFormat.KWZ||"kwz"===e?new KwzPlaylist(s):void 0}});const le=async(t,e)=>{const i=await ae(t);return PpmParser.matchBuffer(i)?new PpmParser(i,e):KwzParser.matchBuffer(i)?new KwzParser(i,e):void d("Could not identify source as a valid Flipnote file")};var ce;t.PlayerEvent=void 0,(ce=t.PlayerEvent||(t.PlayerEvent={})).__Any="any",ce.Play="play",ce.Pause="pause",ce.CanPlay="canplay",ce.CanPlayThrough="canplaythrough",ce.SeekStart="seeking",ce.SeekEnd="seeked",ce.Duration="durationchange",ce.Loop="loop",ce.Ended="ended",ce.VolumeChange="volumechange",ce.Progress="progress",ce.TimeUpdate="timeupdate",ce.FrameUpdate="frameupdate",ce.FrameNext="framenext",ce.FramePrev="frameprev",ce.FrameFirst="framefirst",ce.FrameLast="framelast",ce.Ready="ready",ce.Load="load",ce.LoadStart="loadstart",ce.LoadedData="loadeddata",ce.LoadedMeta="loadedmetadata",ce.Emptied="emptied",ce.Close="close",ce.Error="error",ce.Destroy="destroy";const ue=[t.PlayerEvent.Play,t.PlayerEvent.Pause,t.PlayerEvent.CanPlay,t.PlayerEvent.CanPlayThrough,t.PlayerEvent.SeekStart,t.PlayerEvent.SeekEnd,t.PlayerEvent.Duration,t.PlayerEvent.Loop,t.PlayerEvent.Ended,t.PlayerEvent.VolumeChange,t.PlayerEvent.Progress,t.PlayerEvent.TimeUpdate,t.PlayerEvent.FrameUpdate,t.PlayerEvent.FrameNext,t.PlayerEvent.FramePrev,t.PlayerEvent.FrameFirst,t.PlayerEvent.FrameLast,t.PlayerEvent.Ready,t.PlayerEvent.Load,t.PlayerEvent.LoadStart,t.PlayerEvent.LoadedData,t.PlayerEvent.LoadedMeta,t.PlayerEvent.Emptied,t.PlayerEvent.Close,t.PlayerEvent.Error],fe=t=>({length:t.length,start:e=>t[e][0],end:e=>t[e][1]}),de=(t,e)=>t.toString().padStart(e,"0"),me=t=>{const e=Math.floor(t%3600/60),i=Math.floor(t%60);return`${e}:${de(i,2)}`};var pe;t.CanvasStereoscopicMode=void 0,(pe=t.CanvasStereoscopicMode||(t.CanvasStereoscopicMode={}))[pe.None=0]="None",pe[pe.Dual=1]="Dual",pe[pe.Anaglyph=2]="Anaglyph";const ge=5120,ye=5121,we=5122,ve=5123,be=5124,Pe=5125,Se=5126,Fe={};{const 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t=i.getProgramInfoLog(a);throw i.deleteProgram(a),new Error(t)}const n=function(t,e){const i=function(t,e){let i=0;function s(e,s,r){const a=s.name.endsWith("[0]"),n=s.type,o=Ze[n];if(!o)throw new Error(`unknown type: 0x${n.toString(16)}`);let h;if(o.bindPoint){const e=i;i+=s.size,h=a?o.arraySetter(t,n,e,r,s.size):o.setter(t,n,e,r,s.size)}else h=o.arraySetter&&a?o.arraySetter(t,r):o.setter(t,r);return h.location=r,h}const r={},a={},n=t.getProgramParameter(e,35718);for(let i=0;i<n;++i){const n=t.getActiveUniform(e,i);if(di(n))continue;let o=n.name;o.endsWith("[0]")&&(o=o.substr(0,o.length-3));const h=t.getUniformLocation(e,n.name);if(h){const t=s(0,n,h);r[o]=t,gi(o,t,a,r)}}return r}(t,e),s=function(t,e){const i={},s=t.getProgramParameter(e,35721);for(let r=0;r<s;++r){const s=t.getActiveAttrib(e,r);if(di(s))continue;const a=t.getAttribLocation(e,s.name),n=fi[s.type],o=n.setter(t,a,n);o.location=a,i[s.name]=o}return i}(t,e),r={program:e,uniformSetters:i,attribSetters:s};return 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s=t.getTransformFeedbackVarying(e,r);i[s.name]={index:r,type:s.type,size:s.size}}return i}(t,e)),r}(i,a);return o(this,Li,"f").programs.push(a),n},Di=function(t,e){if(o(this,vi,"m",qi).call(this))return;const i=this.gl,s=i.createShader(t);if(i.shaderSource(s,e),i.compileShader(s),!i.getShaderParameter(s,i.COMPILE_STATUS)){const t=i.getShaderInfoLog(s);throw i.deleteShader(s),new Error(t)}return o(this,Li,"f").shaders.push(s),s},Ki=function(t,e,i,s,r,a){if(o(this,vi,"m",qi).call(this))return;const n=(r+1)*(a+1),h=r+1,l=new Float32Array(2*n),c=new Float32Array(2*n);let u=0,f=0;for(let n=0;n<=a;n++)for(let o=0;o<=r;o++){const h=o/r,d=n/a;l[u++]=t+i*h,l[u++]=e+s*d,c[f++]=h,c[f++]=d}const d=new Uint16Array(r*a*2*3);let m=0;for(let t=0;t<a;t++)for(let e=0;e<r;e++)d[m++]=(t+0)*h+e,d[m++]=(t+1)*h+e,d[m++]=(t+0)*h+e+1,d[m++]=(t+0)*h+e+1,d[m++]=(t+1)*h+e,d[m++]=(t+1)*h+e+1;const p=function(t,e,i){const s=He(t,e),r=Object.assign({},{});r.attribs=Object.assign({},{},s);const a=e.indices;if(a){const e=Re(a,"indices");r.indices=Le(t,e,34963),r.numElements=e.length,r.elementType=Ee(e)}else r.numElements||(r.numElements=function(t,e){let i,s;for(s=0;s<$e.length&&(i=$e[s],!(i in e))&&(i=Be+i,!(i in e));++s);s===$e.length&&(i=Object.keys(e)[0]);const r=e[i];if(!r.buffer)return 1;t.bindBuffer(Me,r.buffer);const a=t.getBufferParameter(Me,34660);var n;t.bindBuffer(Me,null);const o=a/(5120===(n=r.type)||5121===n?1:5122===n||5123===n?2:5124===n||5125===n||n===_e?4:0),h=r.numComponents||r.size,l=o/h;if(l%1!=0)throw new Error(`numComponents ${h} not correct for length ${length}`);return l}(t,r.attribs));return r}(this.gl,{position:{numComponents:2,data:l},texcoord:{numComponents:2,data:c},indices:d});for(let t in p.attribs)o(this,Li,"f").buffers.push(p.attribs[t].buffer);return p},Oi=function(t,e){var i,s,r;o(this,vi,"m",qi).call(this)||(i=this.gl,s=t.attribSetters,(r=e).vertexArrayObject?i.bindVertexArray(r.vertexArrayObject):(function(t,e){for(const i in e){const s=t[i];s&&s(e[i])}}(s.attribSetters||s,r.attribs),r.indices&&i.bindBuffer(34963,r.indices)))},Hi=function(t,e,i,s=1,r=1){if(o(this,vi,"m",qi).call(this))return;const a=this.gl,n=a.createTexture();return a.bindTexture(a.TEXTURE_2D,n),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,i),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,i),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,e),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,e),a.texImage2D(a.TEXTURE_2D,0,t,s,r,0,t,a.UNSIGNED_BYTE,null),o(this,Li,"f").textures.push(n),o(this,xi,"f").set(n,t),o(this,Mi,"f").set(n,{width:s,height:r}),n},$i=function(t,e,i){if(o(this,vi,"m",qi).call(this))return;const s=this.gl,r=o(this,xi,"f").get(t);s.bindTexture(s.TEXTURE_2D,t),s.texImage2D(s.TEXTURE_2D,0,r,e,i,0,r,s.UNSIGNED_BYTE,null),o(this,Mi,"f").set(t,{width:e,height:i})},Gi=function(t){if(o(this,vi,"m",qi).call(this))return;const e=this.gl,i=e.createFramebuffer();return e.bindFramebuffer(e.FRAMEBUFFER,i),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0),o(this,Li,"f").frameBuffers.push(i),o(this,_i,"f").set(i,t),i},Vi=function(t,e,i,s,r){if(o(this,vi,"m",qi).call(this))return;const a=this.gl;if(null===t){if(a.bindFramebuffer(a.FRAMEBUFFER,null),o(this,Bi,"f")){const t=this.srcWidth,n=this.srcHeight,o=a.drawingBufferWidth/t,h=a.drawingBufferHeight/n,l=256===t?1:0;e=-((s=a.drawingBufferWidth*(o-l))-t*o),i=-((r=a.drawingBufferHeight*(h-l))-n*h)}a.viewport(e??0,i??0,s??a.drawingBufferWidth,r??a.drawingBufferHeight)}else{const n=o(this,_i,"f").get(t),{width:h,height:l}=o(this,Mi,"f").get(n);a.bindFramebuffer(a.FRAMEBUFFER,t),a.viewport(e??0,i??0,s??h,r??l)}},ji=function(t,e,i){if(o(this,vi,"m",qi).call(this))return;const s=o(this,_i,"f").get(t);o(this,vi,"m",$i).call(this,s,e,i)},qi=function(){const t=o(this,zi,"f")||this.isErrorState();return t&&o(this,Yi,"f").call(this),t},WebglCanvas.defaultOptions={onlost(){},onrestored(){},useDpi:!0};class Html5Canvas{static isSupported(){if(!p)return!1;let t=document.createElement("canvas"),e=t.getContext("2d");const i=null!==e;return t=null,e=null,i}constructor(e,i,s,r={}){this.supportedStereoscopeModes=[t.CanvasStereoscopicMode.None],this.stereoscopeMode=t.CanvasStereoscopicMode.None,this.stereoscopeStrength=0,Qi.set(this,void 0),Ji.set(this,void 0),Zi.set(this,void 0),ts.set(this,void 0),es.set(this,new Uint32Array(16)),is.set(this,void 0),g(),h(this,Qi,{...Html5Canvas.defaultOptions,...r},"f"),this.width=i,this.height=s,this.canvas=document.createElement("canvas"),this.canvas.className="FlipnoteCanvas FlipnoteCanvas--html5",this.ctx=this.canvas.getContext("2d"),h(this,Ji,document.createElement("canvas"),"f"),h(this,Zi,o(this,Ji,"f").getContext("2d"),"f"),u(null!==this.ctx&&null!==o(this,Zi,"f"),"Could not create HTML5 canvas"),e&&e.appendChild(this.canvas),this.setCanvasSize(i,s)}setCanvasSize(t,e){const i=this.canvas,s=o(this,Qi,"f").useDpi&&window.devicePixelRatio||1,r=t*s,a=e*s;this.width=t,this.height=e,this.dstWidth=r,this.dstHeight=a,i.style.width=`${t}px`,i.style.height=`${e}px`,i.width=r,i.height=a}setNote(t){const e=t.imageWidth,i=t.imageHeight;this.note=t,this.srcWidth=e,this.srcHeight=i,o(this,Ji,"f").width=e,o(this,Ji,"f").height=i,h(this,ts,o(this,Zi,"f").createImageData(e,i),"f"),h(this,is,new Uint32Array(o(this,ts,"f").data.buffer),"f"),this.frameIndex=void 0,this.canvas.title=t.getTitle()}clear(t){if(o(this,is,"f").fill(0),this.ctx.clearRect(0,0,this.dstWidth,this.dstHeight),t){const[e,i,s,r]=t;this.ctx.fillStyle=`rgba(${e}, ${i}, ${s}, ${r})`,this.ctx.fillRect(0,0,this.dstWidth,this.dstHeight)}}drawFrame(t){this.clear(),o(this,Qi,"f").useSmoothing||(this.ctx.imageSmoothingEnabled=!1),this.note.getFramePixelsRgba(t,o(this,is,"f"),o(this,es,"f")),o(this,Zi,"f").putImageData(o(this,ts,"f"),0,0),this.ctx.drawImage(o(this,Ji,"f"),0,0,this.srcWidth,this.srcHeight,0,0,this.dstWidth,this.dstHeight),this.frameIndex=t}requestStereoScopeMode(e){this.supportedStereoscopeModes.includes(e)?this.stereoscopeMode=e:this.stereoscopeMode=t.CanvasStereoscopicMode.None,this.forceUpdate()}forceUpdate(){void 0!==this.frameIndex&&this.drawFrame(this.frameIndex)}getDataUrl(t,e){return this.canvas.toDataURL(t,e)}async getBlob(t,e){return new Promise(((i,s)=>this.canvas.toBlob(i,t,e)))}destroy(){h(this,ts,null,"f"),h(this,es,null,"f"),h(this,is,null,"f"),this.canvas.parentNode.removeChild(this.canvas),this.canvas.width=1,this.canvas.height=1,this.canvas=null,o(this,Ji,"f").width=1,o(this,Ji,"f").height=1,h(this,Ji,null,"f")}}Qi=new WeakMap,Ji=new WeakMap,Zi=new WeakMap,ts=new WeakMap,es=new WeakMap,is=new WeakMap,Html5Canvas.defaultOptions={useDpi:!0,useSmoothing:!0};class UniversalCanvas{constructor(e,i=640,s=480,r={}){ss.add(this),this.isReady=!1,this.isHtml5=!1,this.supportedStereoscopeModes=[],this.stereoscopeMode=t.CanvasStereoscopicMode.None,this.stereoscopeStrength=1,rs.set(this,[WebglCanvas,Html5Canvas]),as.set(this,0),ns.set(this,void 0),os.set(this,{}),this.width=i,this.height=s,h(this,ns,e,"f"),h(this,os,r,"f"),o(this,ss,"m",hs).call(this,o(this,rs,"f")[0])}fallbackIfPossible(){if(o(this,as,"f")>=o(this,rs,"f").length)throw new Error("No renderer to fall back to");h(this,as,o(this,as,"f")+1,"f"),o(this,ss,"m",hs).call(this,o(this,rs,"f")[o(this,as,"f")])}switchToHtml5(){o(this,ss,"m",hs).call(this,Html5Canvas)}setCanvasSize(t,e){const i=this.renderer;i.setCanvasSize(t,e),this.width=t,this.width=e,this.dstWidth=i.dstWidth,this.dstHeight=i.dstHeight}setNote(t){this.note=t,this.renderer.setNote(t),this.frameIndex=void 0,this.srcWidth=this.renderer.srcWidth,this.srcHeight=this.renderer.srcHeight}clear(t){this.renderer.clear(t)}drawFrame(t){this.renderer.drawFrame(t),this.frameIndex=t}forceUpdate(){this.renderer.forceUpdate()}requestStereoScopeMode(t){this.renderer.requestStereoScopeMode(t),this.stereoscopeMode=this.renderer.stereoscopeMode}getDataUrl(t,e){return this.renderer.getDataUrl()}async getBlob(t,e){return this.renderer.getBlob()}destroy(){this.renderer.destroy(),this.note=null}}rs=new WeakMap,as=new WeakMap,ns=new WeakMap,os=new WeakMap,ss=new WeakSet,hs=function(t){let e=!1;const i=new t(o(this,ns,"f"),this.width,this.height,{...o(this,os,"f"),onlost:()=>{e=!0,this.fallbackIfPossible()}});e||(this.note&&(i.setNote(this.note),i.frameIndex=this.renderer?.frameIndex,i.forceUpdate()),this.renderer&&this.renderer.destroy(),this.isHtml5=i instanceof Html5Canvas,this.isReady=!0,this.renderer=i,h(this,as,o(this,rs,"f").indexOf(t),"f"),this.supportedStereoscopeModes=i.supportedStereoscopeModes,i.stereoscopeStrength=this.stereoscopeStrength,this.requestStereoScopeMode(this.stereoscopeMode))};const Ps=p?window.AudioContext||window.webkitAudioContext:null;class WebAudioPlayer{constructor(){ls.add(this),this.useEq=!1,this.useAnalyser=!1,this.eqSettings=[[31.25,4.1],[62.5,1.2],[125,0],[250,-4.1],[500,-2.3],[1e3,.5],[2e3,6.5],[8e3,5.1],[16e3,5.1]],cs.set(this,1),us.set(this,!1),fs.set(this,0),ds.set(this,0),ms.set(this,[]),ps.set(this,void 0),gs.set(this,void 0),ys.set(this,void 0),g()}set volume(t){this.setVolume(t)}get volume(){return o(this,cs,"f")}set loop(t){h(this,us,t,"f"),o(this,ys,"f")&&(o(this,ys,"f").loop=t)}get loop(){return o(this,us,"f")}setBuffer(t,e){const i=o(this,ls,"m",ws).call(this),s=t.length,r=i.createBuffer(1,s,e),a=r.getChannelData(0);if(t instanceof Float32Array)a.set(t,0);else if(t instanceof Int16Array)for(let e=0;e<s;e++)a[e]=t[e]/32768;h(this,ps,r,"f"),this.sampleRate=e}setAnalyserEnabled(t){this.useAnalyser=t,o(this,ls,"m",bs).call(this)}setVolume(t){h(this,cs,t,"f"),o(this,gs,"f")&&(o(this,gs,"f").gain.value=Math.pow(t,2))}playFrom(t){o(this,ls,"m",bs).call(this),h(this,fs,t,"f"),h(this,ds,this.ctx.currentTime,"f"),o(this,ys,"f").loop=o(this,us,"f"),o(this,ys,"f").start(0,t)}stop(){o(this,ys,"f")&&o(this,ys,"f").stop(0)}getCurrentTime(){return o(this,fs,"f")+(this.ctx.currentTime-o(this,ds,"f"))}async destroy(){this.stop();const t=o(this,ls,"m",ws).call(this);o(this,ms,"f").forEach((t=>t.disconnect())),h(this,ms,[],"f"),this.analyser=void 0,"closed"!==t.state&&"function"==typeof t.close&&await t.close(),h(this,ps,null,"f")}}var Ss,Fs,Es;cs=new WeakMap,us=new WeakMap,fs=new WeakMap,ds=new WeakMap,ms=new WeakMap,ps=new WeakMap,gs=new WeakMap,ys=new WeakMap,ls=new WeakSet,ws=function(){return this.ctx||(this.ctx=new Ps),this.ctx},vs=function(t){const e=o(this,ls,"m",ws).call(this),i=this.eqSettings;let s=t;return i.forEach((([t,r],a)=>{const n=e.createBiquadFilter();o(this,ms,"f").push(n),n.frequency.value=t,n.gain.value=r,0===a?n.type="lowshelf":a===i.length-1?n.type="highshelf":n.type="peaking",s.connect(n),s=n})),s},bs=function(){const t=o(this,ls,"m",ws).call(this);h(this,ms,[],"f");const e=t.createBufferSource();o(this,ms,"f").push(e),e.buffer=o(this,ps,"f");const i=t.createGain();if(o(this,ms,"f").push(i),this.useEq?o(this,ls,"m",vs).call(this,e).connect(i):e.connect(i),this.useAnalyser){const e=t.createAnalyser();o(this,ms,"f").push(e),this.analyser=e,i.connect(e),e.connect(t.destination)}else this.analyser=void 0,i.connect(t.destination);h(this,ys,e,"f"),h(this,gs,i,"f"),this.setVolume(o(this,cs,"f"))};class Player{constructor(e,i,s,r={}){Ss.add(this),this.duration=0,this.autoplay=!1,this.supportedEvents=ue,this._src=null,this._loop=!1,this._volume=1,this._muted=!1,this._frame=null,this._hasEnded=!1,this.isNoteLoaded=!1,this.events=new Map,this.playbackStartTime=0,this.playbackTime=0,this.playbackLoopId=null,this.showThumbnail=!0,this.hasPlaybackStarted=!1,this.isPlaying=!1,this.wasPlaying=!1,this.isSeeking=!1,this.playbackLoop=e=>{if(!this.isPlaying)return;const i=e/1e3,s=this.duration,r=this.audio.getCurrentTime();let a=i-this.playbackStartTime;if(Math.abs(a%s-r%s)>.01&&(a=r),a>=s){if(!this.loop)return this.pause(),this._hasEnded=!0,void this.emit(t.PlayerEvent.Ended);this.playbackStartTime=i,this.emit(t.PlayerEvent.Loop)}this.setCurrentTime(a%s),this.playbackLoopId=requestAnimationFrame(this.playbackLoop)},g();const a="string"==typeof e?document.querySelector(e):e;this.parserSettings=r,this.renderer=new UniversalCanvas(a,i,s,{onlost:()=>this.emit(t.PlayerEvent.Error),onrestored:()=>this.reload()}),this.audio=new WebAudioPlayer,this.el=a}get src(){return this._src}set src(t){throw new Error("Setting a Player source has been deprecated, please use the load() method instead")}get paused(){return!this.isPlaying}set paused(t){t?this.pause():this.play()}get currentFrame(){return this._frame}set currentFrame(t){this.setCurrentFrame(t)}get currentTime(){return this.isNoteLoaded?this.playbackTime:null}set currentTime(t){this.setCurrentTime(t)}get progress(){return this.isNoteLoaded?this.playbackTime/this.duration*100:null}set progress(t){this.setProgress(t)}get volume(){return this.getVolume()}set volume(t){this.setVolume(t)}get muted(){return this.getMuted()}set muted(t){this.setMuted(t)}get loop(){return this.getLoop()}set loop(t){this.setLoop(t)}get framerate(){return this.note.framerate}get frameCount(){return this.note.frameCount}get frameSpeed(){return this.note.frameSpeed}get buffered(){return fe([[0,this.duration]])}get seekable(){return fe([[0,this.duration]])}get currentSrc(){return this._src}get videoWidth(){return this.isNoteLoaded?this.note.imageWidth:0}get videoHeight(){return this.isNoteLoaded?this.note.imageHeight:0}async load(e){if(this.isNoteLoaded&&this.closeNote(),this._src=e,!e)return this.openNote(this.note);this.emit(t.PlayerEvent.LoadStart);const[i,s]=await(async t=>{try{return[null,await t().catch((t=>{throw t}))]}catch(t){return[t,null]}})((()=>le(e,this.parserSettings)));if(i)throw this.emit(t.PlayerEvent.Error,i),new Error(`Error loading Flipnote: ${i.message}`);this.openNote(s)}async reload(){if(this.note)return await this.load(this.note.buffer)}async updateSettings(t){return this.parserSettings=t,await this.reload()}closeNote(){this.pause(),this.note=null,this.isNoteLoaded=!1,this.meta=null,this._src=null,this._frame=0,this.playbackTime=0,this.duration=0,this.loop=!1,this.isPlaying=!1,this.wasPlaying=!1,this.hasPlaybackStarted=!1,this.showThumbnail=!0,this.renderer.clear()}openNote(e){this.isNoteLoaded&&this.closeNote(),this.note=e,this.meta=e.meta,this.emit(t.PlayerEvent.LoadedMeta),this.noteFormat=e.format,this.duration=e.duration,this.playbackTime=0,this._frame=0,this.isNoteLoaded=!0,this.isPlaying=!1,this.wasPlaying=!1,this.hasPlaybackStarted=!1,this.layerVisibility=e.layerVisibility,this.showThumbnail=!0,this.audio.setBuffer(e.getAudioMasterPcm(),e.sampleRate),this.emit(t.PlayerEvent.CanPlay),this.emit(t.PlayerEvent.CanPlayThrough),this.setLoop(e.meta.loop),this.renderer.setNote(e),this.drawFrame(e.thumbFrameIndex),this.emit(t.PlayerEvent.LoadedData),this.emit(t.PlayerEvent.Load),this.emit(t.PlayerEvent.Ready),this.autoplay&&this.play()}setCurrentTime(e){this.assertNoteLoaded();const i=Math.floor(e/(1/this.framerate));this.setCurrentFrame(i),this.playbackTime=e,this.emit(t.PlayerEvent.Progress,this.progress)}getCurrentTime(){return this.currentTime}getTimeCounter(){return`${me(Math.max(this.currentTime,0))} / ${me(this.duration)}`}getFrameCounter(){return`${de(this.currentFrame+1,3)} / ${de(this.frameCount,3)}`}setProgress(t){this.assertNoteLoaded(),f(t,0,100,"progress"),this.currentTime=this.duration*(t/100)}getProgress(){return this.progress}async play(){if(this.assertNoteLoaded(),this.isPlaying)return;this._hasEnded&&(this.playbackTime=0,this._hasEnded=!1);const e=performance.now();this.playbackStartTime=e/1e3-this.playbackTime,this.isPlaying=!0,this.hasPlaybackStarted=!0,o(this,Ss,"m",Fs).call(this),this.playbackLoop(e),this.emit(t.PlayerEvent.Play)}pause(){this.isPlaying&&(this.isPlaying=!1,null!==this.playbackLoopId&&cancelAnimationFrame(this.playbackLoopId),o(this,Ss,"m",Es).call(this),this.emit(t.PlayerEvent.Pause))}togglePlay(){this.isPlaying?this.pause():this.play()}getPaused(){return!this.isPlaying}getDuration(){return this.duration}getLoop(){return this._loop}setLoop(t){this._loop=t,this.audio.loop=t}toggleLoop(){this.setLoop(!this._loop)}setCurrentFrame(e){this.assertNoteLoaded();const i=Math.max(0,Math.min(Math.floor(e),this.frameCount-1));(i!==this.currentFrame||this.showThumbnail)&&(this._frame=i,this.drawFrame(i),this.showThumbnail=!1,this.isPlaying||(this.playbackTime=i*(1/this.framerate),this.emit(t.PlayerEvent.SeekEnd)),this.emit(t.PlayerEvent.FrameUpdate,this.currentFrame),this.emit(t.PlayerEvent.Progress,this.progress),this.emit(t.PlayerEvent.TimeUpdate,this.currentFrame))}nextFrame(){this.loop&&this.currentFrame===this.frameCount-1?this.currentFrame=0:this.currentFrame+=1,this.emit(t.PlayerEvent.FrameNext)}prevFrame(){this.loop&&0===this.currentFrame?this.currentFrame=this.frameCount-1:this.currentFrame-=1,this.emit(t.PlayerEvent.FramePrev)}lastFrame(){this.currentFrame=this.frameCount-1,this.emit(t.PlayerEvent.FrameLast)}firstFrame(){this.currentFrame=0,this.emit(t.PlayerEvent.FrameFirst)}thumbnailFrame(){this.currentFrame=this.note.thumbFrameIndex}startSeek(){this.isSeeking||(this.emit(t.PlayerEvent.SeekStart),this.wasPlaying=this.isPlaying,this.pause(),this.isSeeking=!0)}seek(t){this.isSeeking&&(this.progress=100*t)}endSeek(){this.isSeeking&&!0===this.wasPlaying&&this.play(),this.wasPlaying=!1,this.isSeeking=!1}drawFrame(t){this.renderer.drawFrame(t)}forceUpdate(){this.renderer.forceUpdate()}resize(t,e){e!==.75*t&&console.warn(`Canvas width to height ratio should be 3:4 for best results (got ${t}x${e})`),this.renderer.setCanvasSize(t,e),this.forceUpdate()}setLayerVisibility(t,e){this.note.layerVisibility[t]=e,this.layerVisibility[t]=e,this.forceUpdate()}getLayerVisibility(t){return this.layerVisibility[t]}toggleLayerVisibility(t){this.setLayerVisibility(t,!this.layerVisibility[t])}toggleAudioEq(){this.setAudioEq(!this.audio.useEq)}setAudioEq(t){this.isPlaying&&(this.wasPlaying=!0,o(this,Ss,"m",Es).call(this)),this.audio.useEq=t,this.wasPlaying&&(this.wasPlaying=!1,o(this,Ss,"m",Fs).call(this))}mute(){this.setMuted(!0)}unmute(){this.setMuted(!1)}setMuted(e){this.audio.volume=e?0:this._volume,this._muted=e,this.emit(t.PlayerEvent.VolumeChange,this.audio.volume)}getMuted(){return 0===this.volume||this._muted}toggleMuted(){this.setMuted(!this._muted)}setVolume(e){f(e,0,1,"volume"),this._volume=e,this.audio.volume=e,this.emit(t.PlayerEvent.VolumeChange,this.audio.volume)}getVolume(){return this._muted?0:this._volume}seekToNextFrame(){this.nextFrame()}fastSeek(t){this.currentTime=t}canPlayType(t){switch(t){case"application/x-ppm":case"application/x-kwz":case"video/x-ppm":case"video/x-kwz":case"video/vnd.nintendo.ugomemo.ppm":case"video/vnd.nintendo.ugomemo.kwz":return"probably";case"application/octet-stream":return"maybe";default:return""}}getVideoPlaybackQuality(){return{creationTime:0,droppedVideoFrames:0,corruptedVideoFrames:0,totalVideoFrames:this.frameCount}}requestPictureInPicture(){throw new Error("Not implemented")}captureStream(){throw new Error("Not implemented")}on(t,e){const i=this.events;(Array.isArray(t)?t:[t]).forEach((t=>{i.has(t)?i.get(t).push(e):i.set(t,[e])}))}off(t,e){const i=this.events;(Array.isArray(t)?t:[t]).forEach((t=>{if(!i.has(t))return;const s=i.get(t);i.set(t,s.splice(s.indexOf(e),1))}))}emit(e,...i){const s=this.events;if(e!==t.PlayerEvent.__Any&&s.has(e)){s.get(e).forEach((t=>t.apply(null,i)));const t=`on${e}`,r=this;"function"==typeof r[t]&&r[t].apply(null,i)}s.has(t.PlayerEvent.__Any)&&s.get(t.PlayerEvent.__Any).forEach((t=>t.apply(null,[e,...i])))}clearEvents(){this.events.clear()}async destroy(){this.clearEvents(),this.emit(t.PlayerEvent.Destroy),this.closeNote(),await this.renderer.destroy(),await this.audio.destroy()}assertNoteLoaded(){u(this.isNoteLoaded,"No Flipnote is currently loaded in this player")}}Ss=new WeakSet,Fs=function(){this.audio.playFrom(this.currentTime)},Es=function(){this.audio.stop()};class EncoderBase{constructor(){this.dataUrl=null}getBuffer(){return u(y,"This feature is only available in NodeJS environments"),Buffer.from(this.getArrayBuffer())}getBlob(){return g(),new Blob([this.getArrayBuffer()],{type:this.mimeType})}getUrl(){return g(),this.dataUrl?this.dataUrl:window.URL.createObjectURL(this.getBlob())}revokeUrl(){g(),this.dataUrl&&window.URL.revokeObjectURL(this.dataUrl)}}const As=5003,Ts=[0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535];class LzwCompressor{constructor(t,e,i){this.accum=new Uint8Array(256),this.htab=new Int32Array(As),this.codetab=new Int32Array(As),this.cur_accum=0,this.cur_bits=0,this.curPixel=0,this.free_ent=0,this.clear_flg=!1,this.g_init_bits=void 0,this.ClearCode=void 0,this.EOFCode=void 0,this.width=t,this.height=e,this.colorDepth=i,this.reset()}reset(){this.initCodeSize=Math.max(2,this.colorDepth),this.accum.fill(0),this.htab.fill(0),this.codetab.fill(0),this.cur_accum=0,this.cur_bits=0,this.curPixel=0,this.free_ent=0,this.maxcode,this.clear_flg=!1,this.g_init_bits=void 0,this.ClearCode=void 0,this.EOFCode=void 0}char_out(t,e){this.accum[this.a_count++]=t,this.a_count>=254&&this.flush_char(e)}cl_block(t){this.cl_hash(As),this.free_ent=this.ClearCode+2,this.clear_flg=!0,this.output(this.ClearCode,t)}cl_hash(t){for(var e=0;e<t;++e)this.htab[e]=-1}compress(t,e){var i,s,r,a,n,o,h;for(this.g_init_bits=t,this.clear_flg=!1,this.n_bits=this.g_init_bits,this.maxcode=this.get_maxcode(this.n_bits),this.ClearCode=1<<t-1,this.EOFCode=this.ClearCode+1,this.free_ent=this.ClearCode+2,this.a_count=0,a=this.nextPixel(),h=0,i=As;i<65536;i*=2)++h;h=8-h,o=As,this.cl_hash(o),this.output(this.ClearCode,e);t:for(;-1!=(s=this.nextPixel());)if(i=(s<<12)+a,r=s<<h^a,this.htab[r]!==i){if(this.htab[r]>=0){n=o-r,0===r&&(n=1);do{if((r-=n)<0&&(r+=o),this.htab[r]===i){a=this.codetab[r];continue t}}while(this.htab[r]>=0)}this.output(a,e),a=s,this.free_ent<4096?(this.codetab[r]=this.free_ent++,this.htab[r]=i):this.cl_block(e)}else a=this.codetab[r];this.output(a,e),this.output(this.EOFCode,e)}encode(t,e){this.pixels=t,e.writeByte(this.initCodeSize),this.remaining=this.width*this.height,this.curPixel=0,this.compress(this.initCodeSize+1,e),e.writeByte(0)}flush_char(t){this.a_count>0&&(t.writeByte(this.a_count),t.writeBytes(this.accum,0,this.a_count),this.a_count=0)}get_maxcode(t){return(1<<t)-1}nextPixel(){return 0===this.remaining?-1:(--this.remaining,255&this.pixels[this.curPixel++])}output(t,e){for(this.cur_accum&=Ts[this.cur_bits],this.cur_bits>0?this.cur_accum|=t<<this.cur_bits:this.cur_accum=t,this.cur_bits+=this.n_bits;this.cur_bits>=8;)this.char_out(255&this.cur_accum,e),this.cur_accum>>=8,this.cur_bits-=8;if((this.free_ent>this.maxcode||this.clear_flg)&&(this.clear_flg?(this.maxcode=this.get_maxcode(this.n_bits=this.g_init_bits),this.clear_flg=!1):(++this.n_bits,12==this.n_bits?this.maxcode=4096:this.maxcode=this.get_maxcode(this.n_bits))),t==this.EOFCode){for(;this.cur_bits>0;)this.char_out(255&this.cur_accum,e),this.cur_accum>>=8,this.cur_bits-=8;this.flush_char(e)}}}var ks,Us,Cs,xs,Ms,_s,Bs,Ls,zs,Is,Ws,Rs,Ns,Ds,Ks;class GifImage extends EncoderBase{constructor(t,e,i={}){super(),ks.add(this),this.mimeType="gif/image",this.frameCount=0,Us.set(this,void 0),Cs.set(this,void 0),this.width=t,this.height=e,h(this,Us,new ByteArray,"f"),this.settings={...GifImage.defaultSettings,...i},h(this,Cs,new LzwCompressor(t,e,i.colorDepth),"f")}static fromFlipnote(t,e={}){const i=new GifImage(t.imageWidth,t.imageHeight,{delay:100/t.framerate,repeat:t.meta?.loop?-1:0,...e});i.palette=t.globalPalette;for(let e=0;e<t.frameCount;e++)i.writeFrame(t.getFramePixels(e));return i.finish(),i}static fromFlipnoteFrame(t,e,i={}){const s=new GifImage(t.imageWidth,t.imageHeight,{delay:0,repeat:0,...i});return s.palette=t.globalPalette,s.writeFrame(t.getFramePixels(e)),s.finish(),s}writeFrame(t){0===this.frameCount?o(this,ks,"m",xs).call(this,t):o(this,ks,"m",Ms).call(this,t),this.frameCount+=1}finish(){o(this,Us,"f").writeByte(59)}getArrayBuffer(){return o(this,Us,"f").getBuffer()}getImage(){g();const t=new Image(this.width,this.height);return t.src=this.getUrl(),t}}Us=new WeakMap,Cs=new WeakMap,ks=new WeakSet,xs=function(t){o(this,ks,"m",_s).call(this),o(this,ks,"m",Ls).call(this),o(this,ks,"m",Is).call(this),o(this,ks,"m",zs).call(this),o(this,ks,"m",Bs).call(this),o(this,ks,"m",Ws).call(this),o(this,ks,"m",Ns).call(this,t)},Ms=function(t){o(this,ks,"m",Bs).call(this),o(this,ks,"m",Ws).call(this),o(this,ks,"m",Ns).call(this,t)},_s=function(){o(this,Us,"f").writeChars("GIF89a")},Bs=function(){o(this,Us,"f").writeByte(33),o(this,Us,"f").writeByte(249),o(this,Us,"f").writeByte(4),o(this,Us,"f").writeByte(0),o(this,Us,"f").writeU16(this.settings.delay),o(this,Us,"f").writeByte(0),o(this,Us,"f").writeByte(0)},Ls=function(){const t=this.palette,e=128|this.settings.colorDepth-1<<4|o(this,ks,"m",Rs).call(this,t.length)-1;o(this,Us,"f").writeU16(this.width),o(this,Us,"f").writeU16(this.height),o(this,Us,"f").writeBytes([e,0,0])},zs=function(){o(this,Us,"f").writeByte(33),o(this,Us,"f").writeByte(255),o(this,Us,"f").writeByte(11),o(this,Us,"f").writeChars("NETSCAPE2.0"),o(this,Us,"f").writeByte(3),o(this,Us,"f").writeByte(1),o(this,Us,"f").writeU16(this.settings.repeat),o(this,Us,"f").writeByte(0)},Is=function(){const t=this.palette,e=1<<o(this,ks,"m",Rs).call(this,t.length);for(let i=0;i<e;i++){let e=[0,0,0];i<t.length&&(e=t[i]),o(this,Us,"f").writeByte(e[0]),o(this,Us,"f").writeByte(e[1]),o(this,Us,"f").writeByte(e[2])}},Ws=function(){o(this,Us,"f").writeByte(44),o(this,Us,"f").writeU16(0),o(this,Us,"f").writeU16(0),o(this,Us,"f").writeU16(this.width),o(this,Us,"f").writeU16(this.height),o(this,Us,"f").writeByte(0)},Rs=function(t){return Math.max(Math.ceil(Math.log2(t)),1)},Ns=function(t){o(this,Cs,"f").colorDepth=this.settings.colorDepth,o(this,Cs,"f").reset(),o(this,Cs,"f").encode(t,o(this,Us,"f"))},GifImage.defaultSettings={delay:100,repeat:-1,colorDepth:8};class WavAudio extends EncoderBase{constructor(t,e=1,i=16){super(),Ds.set(this,void 0),Ks.set(this,void 0),this.sampleRate=t,this.channels=e,this.bitsPerSample=i;const s=new ArrayBuffer(44),r=new DataStream(s);r.writeChars("RIFF"),r.writeUint32(0),r.writeChars("WAVE"),r.writeChars("fmt "),r.writeUint32(16),r.writeUint16(1),r.writeUint16(this.channels),r.writeUint32(this.sampleRate),r.writeUint32(this.sampleRate*this.bitsPerSample*this.channels/8),r.writeUint16(this.bitsPerSample*this.channels/8),r.writeUint16(this.bitsPerSample),r.writeChars("data"),r.writeUint32(0),h(this,Ds,r,"f"),h(this,Ks,null,"f")}static fromFlipnote(t,e=null){e??(e=t.sampleRate);const i=new WavAudio(e,1,16),s=t.getAudioMasterPcm(e);return i.writeSamples(s),i}static fromFlipnoteTrack(t,e,i=null){i??(i=t.sampleRate);const s=new WavAudio(i,1,16),r=t.getAudioTrackPcm(e,i);return s.writeSamples(r),s}writeSamples(t){let e=o(this,Ds,"f");e.seek(4),e.writeUint32(e.numBytes+t.byteLength),e.seek(40),e.writeUint32(t.byteLength),h(this,Ks,t,"f")}getArrayBuffer(){const t=o(this,Ds,"f").bytes,e=new Uint8Array(o(this,Ks,"f").buffer),i=new Uint8Array(o(this,Ds,"f").numBytes+o(this,Ks,"f").byteLength);return i.set(t),i.set(e,t.byteLength),i.buffer}}Ds=new WeakMap,Ks=new WeakMap,t.CanvasInterface=class{constructor(t,e,i,s){}},t.GifImage=GifImage,t.Html5Canvas=Html5Canvas,t.KwzParser=KwzParser,t.Player=Player,t.PlayerMixin=function(t){class PlayerMixinClass extends t{get renderer(){return this.player.renderer}get note(){return this.player.note}get noteFormat(){return this.player.noteFormat}get meta(){return this.player.meta}get duration(){return this.player.duration}get layerVisibility(){return this.player.layerVisibility}get autoplay(){return this.player.autoplay}set autoplay(t){this.player.autoplay=t}}for(let e of Reflect.ownKeys(Player.prototype)){let i=Object.getOwnPropertyDescriptor(Player.prototype,e);e in t.prototype||"constructor"===e||"name"===e||"prototype"===e||"string"==typeof e&&e.startsWith("#")||(i.value&&"function"==typeof i.value?Object.defineProperty(PlayerMixinClass.prototype,e,{...i,value(...t){return this.player[e](...t)}}):(i.get||i.set)&&Object.defineProperty(PlayerMixinClass.prototype,e,{...i,set(t){this.player[e]=t},get(){return this.player[e]}}))}return PlayerMixinClass},t.PpmParser=PpmParser,t.UniversalCanvas=UniversalCanvas,t.WavAudio=WavAudio,t.WebAudioPlayer=WebAudioPlayer,t.WebglCanvas=WebglCanvas,t.filename=Qt,t.id=Vt,t.loaders=oe,t.parse=le,t.parseSource=(...t)=>(console.warn("parseSource() is deprecated, please use parse() instead"),le(...t)),t.playlist=he,t.supportedEvents=ue,t.version="6.3.0"}({});
//# sourceMappingURL=flipnote.min.js.map